Batwoman is an Americansuperhero television series developed byCaroline Dries forThe CW.^[1] Based on theDC Comicscharacter of the same name, it is part of theArrowverse continuity. The series premiered on October 6, 2019, and ran for three seasons until March 2, 2022, before its cancellation on April 29.

Thefirst season followsRuby Rose asKate Kane, the cousin of vigilanteBruce Wayne, who becomes Batwoman in his absence. In May of 2020, Rose announced her departure from the series.^[2] Thesecond andthird seasons focus onJavicia Leslie asex-conRyan Wilder as she protects Gotham City in the role of Batwoman.

During the course of the series, 51 episodes ofBatwoman aired over three seasons, between October 6, 2019, and March 2, 2022. The third season ran from October 13 through March 2, 2022.^[3] A fourth season was in development,^[4] but was canceled followingNexstar Media Group's acquisition of The CW.^[5][6][7]

Batwomen : U.S. viewers per episode (millions)

Season		Episode number
		1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20
	1	1.86	1.45	1.22	1.29	1.16	1.09	1.01	1.01	1.71	0.79	0.67	0.85	0.82	0.75	0.75	0.77	0.63	0.64	0.70	0.74
	2	0.66	0.62	0.71	0.51	0.49	0.46	0.55	0.54	0.44	0.48	0.56	0.43	0.40	0.35	0.43	0.43	0.45	0.41	–
	3	0.47	0.49	0.42	0.52	0.37	0.41	0.46	0.52	0.44	0.48	0.54	0.41	0.42	–

Audience measurement performed byNielsen Media Research^{[citation needed]}

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