It Ain't Half Hot Mum (1974)

S1E5 The Jungle Patrol

Sergeant Major Williams persuades the Colonel to allow him to take the Concert Party on a jungle survival training. Believing the entire crew is enduring a tough experience without food and water, he remains unaware that Solly has secretly arranged for Rangi Ram and the Char Wallah to trail behind with hot tea and snacks. As the Sergeant Major struggles with hunger and thirst, the Concert Party members keep slipping away to indulge in the hidden provisions.