A gang of rebels are attacking the Secret Police headquarters. Inspector Kobick needs the help of the Little People promising their freedom if he catches them. However, he keeps Betty in hostage, while Burton and Mark are going under the city's sewers to track them down, as they are also counterfeiters...
Did You Know?
The SID headquarters building, as shown during the opening sequence in this episode, was actually the exterior of Irwin Allen's production company offices on the 20th Century Fox studio lot. See more