Happy Sunday (Korean:해피 선데이) is a Koreanreality-variety show shown on theKBS2 network, which competes directly againstMBC'sSunday Night andSBS'sGood Sunday line-up. Although it has been broadcast since 2003, its line-up of shows has frequently changed, with a complete revamp occurring in Spring of 2007. At that time, three new shows were introduced –Are You Ready,High-Five, andImmortal Songs. Due to its poor reception,Are You Ready quickly evolved into1 Night 2 Days, with most of its cast intact. In late November 2008,Happy Sunday had a revamp of its shows keeping1 Night 2 Days as the second segment and bringing backImmortal Songs which was previously liked by viewers. However, in late March,Immortal Songs ended once again and was replaced withQualifications of Men, makingHappy Sunday an all-male cast, with a total of 14 members. In 2013,Qualifications of Men was cancelled and replaced withStar Family Show Mamma Mia. On November 3, 2013Star Family Show Mamma Mia was moved to Wednesday nights and replaced withThe Return of Superman.

Out of the three Sunday night shows,KBS'sHappy Sunday,MBC'sSunday Sunday Night andSBS'sGood Sunday, only KBS has kept its program as a "whole program". Both MBC and SBS has divided their Sunday night show into two parts, the first segment as one program and the second as another. Both MBC and SBS have done this to record better TV ratings, which is important inSouth Korea media to prove the show's popularity. The key variety programs which garner Sunday night ratings and are usually compared to one another areKBS Happy Sunday's1 Night 2 Days,MBC Sunday Sunday Night'sReal Men, andSBS Good Sunday'sRunning Man.

During the 1990sKBS2's Sunday program was calledSuper Sunday (슈퍼선데이). But in February 1998, the name was changed toJoyful Super Sunday TV (슈퍼 TV 일요일은 즐거워). In November 2003, the name was changed again to101% Sunday (일요일은 101%). On September 13, 2004, voice (dubbing) artist and 2003KBS Entertainment Awards Grand Prize (Daesang) winner, Jang Jeong-jin (장정진), was recording forThe Lord of the Alley (골목의 제왕) segment where he had to eat rice cakes during a game and was later hospitalized.^[2] Because of this incident, Jang died a month later (October 11, 2004) due tonecrosis ("brain death") and loss of oxygenation to the brain.^[3] The segment was abolished and since November 2004, the program has been renamedHappy Sunday.

• 2004-2006: 5:55 p.m. - 7:55 p.m.
• 2006-2007: 5:45 p.m. - 7:55 p.m.
• 2007-2008: 5:30 p.m. - 7:55 p.m.
• 2008-2009: 5:25 p.m. - 7:55 p.m.
• 2009–2012: 5:20 p.m. - 7:55 p.m.
• 2012–2019: 4:55 p.m. - 7:55 p.m.

• Originally aired: August 5, 2007 – March 10, 2019 and since December 2019
• Members:Kim Jong-min,Yeon Jung-hoon,Moon Se-yoon,DinDin,Na In-woo,Yoo Seon-ho
• Former members:Kim Joo-hyuk,Kang Ho-dong,Lee Soo-geun,Eun Ji-won,Lee Seung-gi,Uhm Tae-woong,MC Mong,Kim C,Ji Sang-ryul,Noh Hong-chul,
  Kim Seung-woo,Joo Won,Sung Si-kyung,Yoo Hae-jin,Jung Joon-young,Cha Tae-hyun,Kim Joon-ho,Defconn,Yoon Shi-yoon,Lee Yong-jin,Kim Seon-ho,Ravi

In the segment1 Night 2 Days (Korean: 1박2일), the members go on an overnight trip to various places of interest in Korea. The aim of the segment is to recommend holiday destinations to its viewers. Throughout the show, there are several mini-games played to see who will eat dinner (as opposed to a simple snack), who will do the chores or work that needs to be done, and who will sleep comfortably.

The show is enormously popular, that even its re-runs (which airs on the same night) has viewership ratings within the Top 20 Sunday night programs.

• Originally aired: November 3, 2013 – present
• Cast:Sam Hammington,Park Joo-ho,^[4]
• Non-regular cast:Yang Dong-geun,In Gyo-jin,Oh Ji-ho^[5][6]
• Former cast:Jang Hyun-sung,Kim Jung-tae,Tablo,^[7]Song Il-gook,Uhm Tae-woong,Choo Sung-hoon,Lee Beom-soo,^[8][9]Ki Tae-young,^[10]Lee Hwi-jae,^[11]Bong Tae-gyu,^[12]Lee Dong-gook,Ko Ji-yong,Moon Hee Joon

In the segmentThe Return of Superman (Korean: 슈퍼맨이 돌아왔다), celebrity fathers spend 48 hours with their children without their mothers.

• Originally aired: 2005

• Originally aired: 2006
• MC:Kim Je-dong,Choi Min-soo

• Originally aired: 2007

• Originally aired: ,? - April 29, 2007
• MC:Kim Je-dong, Kang Soo-jung
• Cast:Noh Joo-hyun,Lee Kye-in, Tae Jin-ah, Park Chul,Noh Hong-chul, Yoon Jung-soo

• Originally aired:
• Coach:Jun Jin
• Assistant coach:Kim Jong-min
• Former/honorary coach:Kim Jong-kook
• Honorary Shootdori: Lee Hyun-joon
• Guest assistant coaches:Shin Jung-hwan,Tak Jae-hoon, Jo Hye-ryun, Lee Hae-young
• Supporters:Cha Tae-hyun,Lee Hyori,So Yi-hyun
• Soccer team: Ji Seung-joon, Jo Min-ho, Kim Tae-hoon, Oh Ji-woo, Lee Seung-kwon, Choi Sung-woo, Kim Tae-soo, Jin Hyun-woo

Shoot-dori (means shooting kid,ko:날아라 슛돌이 / Nal Ah Ra Shoot-dori) is a variety show where a group of kids train and practice theirfootball skills to compete with other mini-leagues. It is still airing, however at a different time slot and is no longer a part ofHappy Sunday. This program now airs on theKBS N Sports channel. It is into its fourth season with a different cast.

• Originally aired: August 13, 2006 - April 29, 2007
• MC:Lee Hwi-jae
• Cast:Choi Hong-man,Lee Soo-geun,Kim Jong-min,Chun Myung-hoon,Lee Jung,Sung Dong-il

K-1 fighterChoi Hong-man and celebrities participate in various physical challenges and games.

• Originally aired: August 13, 2004 - October 29, 2006
• MC:Jee Seok-jin
• Cast:Hyun Young, Jo Hye-ryun, Jung Sun-hee, Jung Sun-kyung,Jeon Hye-bin,Lee So-yeon,Kim Jong-min,Lee Jung,Shin Jung-hwan
• Former members: Kyung-shil,Ock Joo-hyun, Kang Soo-jung,Choi Yeo-jin,Lee Hye-young
• Production Company:Hoon Media

This variety show has a school theme, where male celebrity guests come and firstly try to partner with the heroines of their choice, through dance (usually) or special performances. Should more than one male choose the same heroine, then they battle it out to win their girl. They will have to do the most bizarre things, like role playing, singing, etc. Afterward, they play two very original games – "Catch the Mouse" and "Dibidibidip".

• Originally aired: May 6, 2007 - July 29, 2007
• MC:Kang Ho-dong
• Cast:Eun Ji-won,Lee Soo-geun,Ji Sang-ryul,Noh Hong-chul,Kim Jong-min

Are You Ready was avariety show where its cast and special guests played games. The first three episodes were games that were related to theChinese language, while the following episodes leading to its last episodes were physical and logic-based games. Due to low ratings,Are You Ready was replaced by1 Night 2 Days with its original cast still in place.

• Originally aired: May 6, 2007 - May 18, 2008
• MC:Jee Seok-jin
• Cast: Jo Hye-ryun,Hyun Young,Park Kyung-lim,Chae Yeon, Lee Jung-min
• Former member:Kim Min-sun

Hosted by Jee Seok-jin,High-Five focuses on having its five female stars try out different jobs; over the course of the show, they have become flight attendants, farmer, stuntwomen, and police officers. Because of the stars' backgrounds, comic twists and events are often added in during training. At the show's start, comedian Jo Hye-ryun, entertainerHyun Young, singerChae Yeon, MCPark Kyung-lim, and actressKim Min-sun were theHigh-Five stars. Due to filming commitments, Kim had to leave the show on its November 4, 2007 broadcast. She was replaced by news anchor Lee Jung-min. This show was replaced byDelicious Quiz.

• Originally aired: June 1, 2008 - September 7, 2008
• MC:Hyun Young, Jo Hye-ryun, Jung Ji-young,Kim Shin-young,Boom, Lee Moo-song,Kim Soo-hyun
• Judges: Lee Byung-jin, Han Joon-hee

The first episode aired June 1, 2008 replacingHigh-Five, while retainingHyun Young and Jo Hye-ryun as part of the cast.Delicious Quiz was a food-basedvariety show where they traveled aroundKorea visiting famous restaurants or places related to food. The MCs must answer quizzes related to food and get a certain number of questions correct before they are able to eat the food. The show aimed to introduce viewers to the variety of great foods available in Korea. This show was last aired on September 7, 2008 and was replaced bySchoolympic.

• Originally aired: September 14, 2008 - October 26, 2008
• MC: Kang Byung-kyu,Jun Jin,Hyun Young,Boom,Yoo Chae-yeong, Lee Jong-soo,Nichkhun
• Commentators: Lee Byung-jin, Han Joon-hee

The first episode aired September 14, 2008 replacingDelicious Quiz (onlyHyun Young was retained). Olympic stars compete in simple yet nostalgic games and activities on a set created to look like a classroom with celebrities as their competitors. The games will require the "athletes" to use simple school necessities like chairs, desks, mops and even buckets. Aiming to bring a more interesting and fun school environment, the show combined elements of sport and school activities with the help of sports stars and celebrities. This show was short lived and it was not replaced; instead, the 2 segmentsKko Kko Tours Single♥Single and1 Night 2 Days both extended their airtime.

• Originally aired: September 21, 2008 - November 23, 2008
• MC:Tak Jae-hoon,Shin Jung-hwan

The first episode was aired on September 21, 2008, replacingImmortal Songs. It was co-hosted by former Country Kko Kko band membersShin Jung-hwan and Tak Jae-hoon. Celebrities invite someone they're interested in and get to know them during a trip. Audiences will get to see the true, sensitive side of celebrities as they open their hearts on air. Only 2 trips was aired over a span of 10 episodes. This segment was cancelled due to high production costs and low ratings. The show was replaced with a new season ofImmortal Songs which had been previously cancelled.^[13]

• Season 1 originally aired: May 6, 2008 - September 14, 2008
• Season 2 originally aired: November 30, 2008 - March 22, 2009
• MC:Tak Jae-hoon,Shin Jung-hwan, Kim Sung-eun

Immortal Songs (Korean: 불후의 명곡;Hanja: 不朽의 明曲;RR: Bulhu-ui Myeong-gok) was co-hosted by formerCountry Kko Kko partnersShin Jung-hwan andTak Jae-hoon. Although the show initially had various co-hosts, Kim Sung-eun became the final permanent host alongside Shin and Tak. The special guest for the week is their "vocal coach", usually a famous Korean singer, although sometimes record producers and composers have appeared as the special guest. During the course of the show, the special guest's top singles (as voted by netizens) are revealed and the "students" must singkaraoke-style. At the end of the show, the best singer/student is chosen by the special guest and receives a special prize. This segment started from Kim Won-joon's episode where he brought in presents on his own accord. The show has typically showcased older singers from the past who may or may not be still active in the entertainment industry, includingLee Seung-chul andKim Heung-gook. However they have also had episodes featuring more recent artists, includingS.E.S., in recognition of their 10th anniversary since debut, as well asSung Si-kyung just before he left formilitary service in July 2008. This show aired its final episode on September 14, 2008 and was replaced byKko Kko Tours Single♥Single.

Happy Sunday brought backImmortal Songs with the same hosts,Shin Jung-hwan,Tak Jae-hoon and Kim Sung-eun. Its first returning episode began airing November 30, 2008, replacingKko Kko Tours Single♥Single. Kicking off the second season,Patti Kim was the special guest.^[14] Patti Kim was the first Korean artist to be invited and perform onJapan'sNHK network as well asThe Johnny Carson Show inLas Vegas, United States.^[15] In season 1, Patti Kim was one of the guests that they wanted to invite on the show but was unable to. This segment was cancelled in late March 2009 and has since been replaced withQualifications of Men.

• Originally aired: March 29, 2009 - April 7, 2013
• Cast:Lee Kyung-kyu, Kim Gook-jin,Kim Tae-won, Lee Yoon-seok, Yoon Hyung-bin,Joo Sang-wook, Kim Jun-ho
• Former members:Kim Sung-min,Lee Jung-jin,Yang Joon-hyuk,Jun Hyun-moo

Qualifications of Men (Korean: 남자의 자격;Hanja: 男子의資格; also known asQualifying Men orThe Qualities of a Man), replaced the second season ofImmortal Songs in late March 2009. It is a show where a group of mostly middle-aged male celebrities try to complete missions (deemed to be of a quality required of a "qualifying man") given by the producer or sometimes thought of by the members.

In the first episodes, the cast joked that their primary aim was not to disturb the ratings of1 Night 2 Days. However, the show was an unexpected success and rivaled their sister corner1N2D in the 2009KBS Entertainment Awards. The cast includes the mainMCLee Kyung-kyu, who made his comeback into theKorean TV industry with this show; Kim Gook-jin, a famouscomedian who recently came back from attempting to become a professional golfer;Kim Tae-won, leader of the legendary rock-ballad bandBoohwal; Lee Yoon-seok, a comedian known for his doctor's degree and conversely his ridiculously weak strength (though since joining the show,Kim Tae-won has virtually taken over his title of "Weakling of the nation"); Yoon Hyung-bin, a famous comedian from the showGag Concert who frequently compares himself toLee Jung-jin, although often to no avail;Yang Joon-hyuk, one of the greatest players in Korean baseball history and currently holds the records for home runs, RBI, and best batting average; andJun Hyun-moo, a KBS news announcer and reporter known for his variety and comedic skills, who is rising in the entertainment world (also known for his parody ofSHINee's "Lucifer" dance).

The cast has been through a variety of physically and emotionally taxing missions, usually spanning over 24 hours, performing the likes of serving mandatory military service again, crying, becoming employees of random companies, not smoking for a day, wake-boarding, singing in a choir, participating in an amusement park parade show, and forming an amateur band. The most memorable moment for the program was when 2 of the members (Kim Gook-jin and former memberKim Sung-min) was selected as a guest for theUnited States Air Force Thunderbirds Acrobatic Team, during their 2009 Far East Tour atOsan Air Base, in South Korea. For the Choir episodes, both of the Choir team won awards (the most recent was the 2nd Place during the KBS National Choir Contest "The Harmony", with Kim Tae-won as a conductor).

In late 2010,Kim Sung-min was dropped from the program after being arrested for meth use and smuggling. He was sentenced to 2 years and 6 months in prison,suspended for 4 years.^[16]

On April 10, 2011, Korean baseball legendYang Joon-hyuk made his debut as a member of the show.

On May 8, 2011,Lee Jung-jin appeared in his final episode andJun Hyun-moo became the newest and 7th member of the show.

On July 31, 2012,Yang Joon-hyuk andJun Hyun-moo left the show, and 2 new members—actorJoo Sang-wook andGag Concert comedian Kim Jun-ho—joined the crew.^[17]

Qualifications of Men initially maintained good ratings; in 2009, it placed second among the most viewed Sunday night programs for 16 weeks with more than 30% viewership ratings.^[18] But after four years on air, ratings dropped, until it was overtaken in popularity byMBC'sDad! Where Are We Going?, which premiered in 2013.^[19] KBS cancelled the show, and it aired its last episode on April 7, 2013.^[20] The show had begun in 2010 under the catchphrase, "101 things to do before you die", but with its cancellation four years later, the show'sraison d'être was unfinished, with the program coming to a close before the cast members were able to finish filling out the list of 101 things, only getting up to #94.^[21]

• Originally aired: April 14, 2013 - October 27, 2013
• MC:Lee Young-ja,Park Mi-sun,Cho Kyu-hyun
• Former MC:Choi Min-ho

Star Family Show Mamma Mia (Korean: 스타 패밀리쇼 맘마미아; also known simply asMamma Mia) is a talk show in which Korean celebrities and popular figures bring their mothers.^[22] One of the hosts,Choi Min-ho left the show after five episodes; he was replaced byCho Kyu-hyun beginning May 19, 2013.^[23] This segment was moved to Wednesday nights. Mamma Mia was replaced with Superman Return on November 3, 2013. Then, on 18 October, 2013 Kyuhyun had announced to leave the show because of the overlap schedule with 'Radio Star' on MBC.^[24] The regular on the show and comedian,Heo Kyung-hwan will replace Kyuhyun's place as the MC of the show.^[25]

• MBCSunday Night
• SBSGood Sunday

• The Return of Superman official website(in Korean)

• Sunday mass media
• 2004 South Korean television series debuts
• Korean Broadcasting System original programming
• South Korean variety television shows
• South Korean reality television series
• Korean-language television shows

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