Hogan goes to the hospital to get information from a wounded contact.
Coming up with a fake secret device, the gonculator, Klink brings to Stalag 13 the electronics expert who wants to defect.
Hayden (Craig T. Nelson) comes to regret his actions when he accidentally causes Kelly and Stuart (Clare Carey, Kris Kamm) to break up.
Newkirk poses as a traitor to send information via a propaganda radio broadcast.
Hogan convinces Klink that he is a great artist so that he can make a rendezvous in an art gallery.
