The second episode of the 1966 Batman television series, titled originally aired on January 13, 1966. It serves as the conclusion to the series' premiere two-part story arc, following the cliffhanger established in "Hi Diddle Riddle." Episode Summary

Frank Gorshin as The Riddler; Jill St. John as Molly.

This episode features the very first "Bat-climb," the iconic sequence where the Duo scales a building using the Bat-rope.