The story picks up from the previous episode's cliffhanger, with the having trapped Batman in chains and Robin inside a giant, lethal clam.
(in one of his earliest TV appearances) plays a delivery boy for the Penguin. Key Trivia Batman Season 2 - Episode 39
This was a rare instance of villains successfully entering the Batcave , though they failed to learn its secret location. The story picks up from the previous episode's