On The Buses, Series 1, Episode 5, The New Inspector.

Series 1, Episode 5 - The New Inspector Stan applies for a promotion in hopes that he can buy his mum the new coat she needs, but he gets far more than just a raise when he's promoted to assistant inspector. Further details A job seen as a poisoned chalice becomes available at the bus depot as a vacancy for inspector arises. Stan and Jack won't touch it with a bargepole until Stan sees how much his mum would love a new coat that he can't afford. To buy her the coat he takes on the post as a new assistant inspector to earn more money but it also earns him aggravation and hatred from his work colleagues. Is it really all worth the hassle?