The Tweenies (BBC children's series, 1999-2002)

Episode: Walk in the Town
Max takes a trip into town on what appears to be a Leyland Lynx of Sovereign Bus

Episode: Horses
Judy takes a trip on Metrobus Dennis 339 (W339VGX), a Dennis Dart SLF/Plaxton Pointer, showing service 246 to Bromley North - good interior and exterior views.

Another episode features Arriva the Shires Dennis Dart SLF/Plaxton Pointer 2235 (V235 HBH) on service 3 to Whittlesford town centre, including a demonstration of the low floor. (thanks Dave Henderson)

One of a supplementary series on playing safely deals with crossing the road; a Sovereign Bus single decker is seen approaching a zebra crossing.

An episode which sees Max visiting London features a trip around town on M500 (GYE500W), a part open top MCW Metrobus/MCW of the Original London Sightseeing Tour.