Maxwell Smart poses as the trainer of the American women's swimming team at an international meet in order to make contact with a member of the visiting Iron Curtain team who is believed to have vital information. The problem is that Max can't remember the name of the informant and the girls' names all sound alike.
- Maxwell Smart - Don Adams
- Agent 99 - Barbara Feldon
- The Chief - Edward Platt
- Agent 81 - Dave Cameron
- Verna Lenya Tsganyakov - Alice Ghostley
- Greco - John Milford
- Myrna - Victoria Carroll
- Vana - Barbara Stanek
- Rena - Elisa Ingram
- Nina - Jayne Massey
- Bobby Jean Harper (uncredited)
- Betty June Parker (uncredited)
- Bonnie Joan Booker (uncredited)
- Bunny Jane Baker (uncredited)
Weapons and Gadgets
- In this episode, Max says he wishes Russian women had easy-to-remember names like American women - only to find that the American team has names just as homonymous.
- The title refers to the expression "the last one in is a rotten egg".