| An | Titlu | Rol | Note |
|---|
| 1975–82 | The Young and the Restless | Dr. William "Snapper" Foster Jr. | Main role (1975–82); appearance (2010) |
| 1976 | Griffin and Phoenix: A Love Story | | |
| 1979 | Pleasure Cove | Scott | Unsold pilot episode |
| 1980 | Semi-Tough | Prince Simon | Unsold pilot episode |
| 1981 | The Love Boat | Brian / Tom Bell | |
| 1982-1986 | Knight Power | Javier (voice) | Main role |
| 1982–86 | Knight Rider | Michael Knight | Lead role |
| 1984 | The Cartier Affair | Curt Taylor | Television movie (NBC) |
| 1985 | Bridge Across Time | Don Gregory | Television movie |
| 1988 | Perry Mason: The Case of the Lady in the Lake | Bill Travis | Television movie |
| 1989–2000 | Baywatch | Mitch Buchannon | Lead role |
| 1989 | Fire and Rain | Dr. Dan Meyer | Television movie |
| 1991 | Knight Rider 2000 | Michael Knight | Television movie (failed pilot for television series) |
| 1992 | The Bulkin Trail | Michael Bulkin | Short |
| Ring of the Musketeers | John Smith D'Artagnan | Television movie |
| 1994 | Avalanche | Duncan Snyder | Television movie (FOX) |
| 1995 | Baywatch the Movie: Forbidden Paradise | Mitch Buchannon | Television movie |
| 1995–97 | Baywatch Nights | Mitch Buchannon | Lead role |
| 1996 | Gridlock | Jake Gorsky | Television movie (NBC) |
| 1997 | Night Man | Katrina's Assistant | 1 episode (pilot) |
| 1998 | Nick Fury: Agent of S.H.I.E.L.D. | Colonel Nick Fury | Television movie |
| 2000 | One True Love | Mike Grant | Television movie (CBS) |
| Whose Line Is It Anyway? | | Guest appearance, 1 episode |
| 2001 | Shaka Zulu: The Citadel | Mungo Prentice | Television movie |
| 2003 | Baywatch: Hawaiian Wedding | Mitch Buchannon | Television movie:Baywatch reunion movie |
| 2006 | Still Standing | Gary Maddox | |
| Wildboyz | | Guest star |
| 2006–09 | America's Got Talent | | Main judge |
| Robot Chicken | | |
| 2008 | Knight Rider | Michael Knight | Television movie (NBC) (backdoor pilot) |
| 2009 | The Hoff: WhenScott Came to Stay | | |
| Meet the Hasselhoffs | | Reality Show |
| 2010 | WWE Raw | as himself | Guest host (12 aprilie 2010) |
| The Hasselhoffs | | Reality Show |
| Dancing with the Stars | as himself | Contestant |
| Celebrity Juice | as himself | |
| 2011 | It's Chris | Narrator | |
| Britain's Got Talent | | |
| Piers Morgan's Life Stories | | |
| Big Brother | as himself | Season 13, Cameo appearance (to promoteSame Name) |
| Same Name | | |
| Chris Moyles' Quiz Night | The Hoff | Series 4 – in every episode, as 'The Hoff' asking celebrities a question. |
| Ask Rhod Gilbert | "The Authenticator" | Series 2, Episode 1 |
| Never Mind the Buzzcocks | The Host | Series 25, Episode 1 |
| Sons of Anarchy | Dondo Elgarian | Season 4, Episode 5 |
| 2012 | The Christmas Consultant | Owen | Television movie (Lifetime) |
| The Magicians | | Series 2, Episode 2 |
| The Celebrity Apprentice Australia | as himself | Season 2 |
| 2013 | Promi Big Brother | as himself | German reality television show |
| 2015 | Hoff the Record[9] | | Improv television series |
| David Hasselhoff Show[10] | | Finnish talk show |
| Sharknado 3: Oh Hell No! | Gilbert Grayson "Gil" Shepard | Television movie (Syfy) |
