Back in his iceberg headquarters, Mr. Freeze persuades the kidnapped Professor Isaacson to build him a thermodynamic ice ray beam. He issues an ultimatum that he will begin freezing the entire country if his demands are not met, then gives a demonstration of his weapon. As the villain works out just what his demands are, Batman and Robin track his seal, Isolde, through an ice-packed Gotham Harbor to locate the villain's hideout.
Did You Know?
In a bit of foreshadowing, Commissioner Gordon asks his secretary to call Barbara Gordon and tell her to take a later plane to Gotham City. Barbara, aka Batgirl, would make her debut in the first episode of the next season. See more
To thank the seal for it's help Batman feeds it a fish by holding it through the bars in the cage door. At first he is holding it just above the top cross bar but in the next shot he is shown further back and his hand with the fish is now lower between the two cross bars. See more
[on seeing Batman & Robin enter
[runs to the closest Ice-ladder and starts to climb
Edited from Batman: The Movie