Hogan's Heroes (1965)

S1E3 Kommandant of the Year

Title: Kommandant of the Year Plot: A covert German rocket bomb is concealed within Stalag 13. When an Allied scientist arrives to take photos and undermine the weapon, Hogan and his crew devise a ruse to divert attention. They orchestrate a fake "Kommandant of the Year" event to keep the oblivious Colonel Klink occupied while the scientist carries out his mission undetected.