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?
Marked Madge Blake's final appearance as a member of the regular cast. Blake's failing health along with budget cuts, resulted in Aunt Harriet being written out of the series for season three. Blake would make a pair of extended cameos, and in one instance Aunt Harriet was referenced to being off screen during the course of the third and final 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
[speaking into intercom
Eh, Bonnie, please call my daughter Barbara at college, ask her to take a later plane home. I want to meet her, of course, but I have some cool facts to face before I get to the airport.
Edited from Batman: The Movie