Batman — Season 2 - Episode 39

The story picks up from the previous episode's cliffhanger, with the having trapped Batman in chains and Robin inside a giant, lethal clam.

The Joker breaks the Penguin out of Gotham State Prison to help him complete his "Zodiac" themed crime spree. Their primary goal is to collect a $10 million ransom by threatening to turn Gotham City's water supply into jelly.

(in one of his earliest TV appearances) plays a delivery boy for the Penguin. Key Trivia Batman Season 2 - Episode 39

The villains trick Venus , the Joker’s former accomplice who was trying to reform, into believing the Penguin has also gone straight. They use her to try and find the location of the Batcave by hiding in the trunk of the Batmobile .

This episode features the first use of the "Batdrone," used to search Gotham for an unauthorized broadcast. The story picks up from the previous episode's

This was a rare instance of villains successfully entering the Batcave , though they failed to learn its secret location.

Anticipating their move, Batman ensures the villains are knocked unconscious or otherwise blinded to the cave's location during the trip. In the final confrontation inside the Batcave, the Dynamic Duo defeats the Joker, the Penguin, and their henchmen, officially ending the Zodiac crimes. Production Details Director: Oscar Rudolph . Writers: Stephen Kandel and Stanford Sherman. Guest Stars: Burgess Meredith as the Penguin. Cesar Romero as the Joker. Terry Moore as Venus. (in one of his earliest TV appearances) plays

In the 1960s television series, Season 2, Episode 39 is titled "The Penguin Declines." It originally aired on January 18, 1967, and serves as the conclusion to a multi-part story arc involving a criminal alliance between the Joker and the Penguin . Episode Synopsis