(Granada drama serial, 1982) Episode 1 features two buses bringing workers to a factory. One is preserved Yorkshire Woollen 893 (GHD765), a 1962 Leyland PD3A/1/MCW:

The other appears to be preserved West Riding 733 (EHL344) Leyland PS2/12A/Roe new in 1952:

(thanks Chris Hough)