Not Yet, He Ain't Not Yet, He Ain't 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. Picking up from the last episode Batman and Robin avoid Commissioner Gordon and Chief O'Hara’s bullets by deflecting them with the bullet-proof soles of their boots; in the confusion, Batman cuts himself and his adoptive son free using his Batknife, and they make their escape. Furious and humiliated that the Dynamic Duo have escaped from his trap, the
Burgess Meredith on the show in a starring role. In his first appearance in 1959, "Time Enough at Last", he portrayed a henpecked bookworm who finds himself the sole survivor of an unspecified apocalypse which leads him to contemplate suicide until he discovers the ruins of the library. In 1961's "Mr. Dingle, the Strong", Meredith played the title character, a timid weakling who receives superhuman strength from an extraterrestrial experiment in human nature. Also that year in "The Obsolete Man", Meredith portrayed a librarian sentenced to death in a dystopic totalitarian society. Lastly, in 1963's "Printer's Devil", Meredith portrayed the Devil himself.