The Fenn Street Gang (London Weekend sitcom, 1971-3)

Patchy spinoff from the very successful 'Please Sir' reunites the pupils from Fenn Street School after they've left. Their old teacher Hedges is still around too.

Episode 1.5: Meet the Wizard Frankie Abbott (David Barr) in conversation with his former teacher Hedges (John Alderton); a London Country Green Line AEC RF passes in the background:
Episode 1.6: Distant Horizons A visit to the London Transport Museum at Syon Park. A 1910 tram and the staircase of London General K424 (XC8059) are seen: