Dad's Army (1968)

S1E4 The Enemy Within the Gates

Capt. Mainwaring is in the middle of a talk about spotting enemy agents when he discovers that there's a bounty for every Nazi captured. Shortly after, Jones and Walker manage to catch two Luftwaffe pilots, but a Polish officer is eager to claim the reward for himself. Meanwhile, at headquarters, the airmen manage to slip away while under Godfrey's supervision.