Fresh from their graduation from college, Steve and Ploppie open an agency known as "The We Do It Boys", and after some insignificant jobs, are hired by a John Merrit to play a practical joke on his brother, Henry.....with disastrous results.; The Terror Twins attend an airshow, alert for possible sabotage, not knowing that Nazi agent Trupp is going to strike and then try to eliminate the duo.; Jean and the Mayor head to Germany to rescue American newspapermen being held by the Gestapo, and end up prisoners themselves.; The Terror Twins face the evil Dr. Metz, who can innoculate Japanese soldiers into looking as if they were caucasians.; Rusty and Shrimpy are on their way to see one Susie Gerrish, Rusty's heart throb twenty years prior, and Shrimpy wants to know wht Rusty didn't marry her. He soon finds out.