Not Yet, He Ain't! is an episode of the 1960s Batman television series, first airing on ABC March 24, 1966. It was the 22nd episode in the series. It guest starred Burgess Meredith as the villain The Penguin.
Adamania: Not Yet He Ain't - Batman Season 1 Episode 22
Episode 11: The Penguin Goes Straight/Not Yet, He Ain't
Batman (1966) "Not Yet, He Ain't" - Season 1, Episode 22 - Review