(Anglia TV horror series, 1979-88)

Episode 3.1: The Flypaper
One episode of this compendium of sinister short stories features a schoolgirl boarding Eastern Counties Bristol Lodekka FS5G/Eastern Coachworks LFS54 (54CPW) (thanks Busman in Cambridge):

Episode 5.05: Stranger in Town
An oddly dressed stranger arrives in town and treats the townsfolk to various escapades. One features SOU3M, a replica of London General's AEC B-type B340. Filmed in Norwich: