Episode 39 | Batman Season 2 -

The episode is notable for teaming up two of the series' most iconic actors for one of only two times in the show's run (the first being the 1966 feature film). "Batman" The Penguin Declines (TV Episode 1967) - IMDb

: The villains trick their former confederate, Venus , into asking Batman to take her to the Batcave. The Dynamic Duo agrees, but they make her fall asleep first to protect their location. Batman Season 2 - Episode 39

: The Joker, The Penguin, and several henchmen hide in the trunk of the Batmobile to gain access to the Batcave. However, Batman anticipates this, and a classic "K-POWW" fight ensues inside the cave, resulting in the villains' defeat. Cast and Guest Stars The episode is notable for teaming up two

: The Joker frees The Penguin from prison to assist in his crime wave. Together, they contaminate Gotham City's water reservoir, turning it into strawberry gelatin . : The Joker, The Penguin, and several henchmen