Lieutenant Gruber attempts a rescue by infiltrating the camp dressed as a nun .
The POWs try a "vaulting" technique to get over the barbed wire fence .
Herr Flick and Smallhausen attempt to tunnel into the camp to reach their comrades . ⭐ Critical & Audience Reception
Reviews highlight the episode as "very funny" and "memorable," specifically praising the periscope scene involving Herr Flick .
The episode explicitly reveals the show’s timeline is currently 1941 .
The episode (also known as "Hans Goes Over the Top" ) is the premiere of Season 4 of the classic British sitcom 'Allo 'Allo! . It originally aired on November 7, 1987 . 🎬 Episode Summary
