Friends and Crocodiles (BBC drama, 2005)

Open top RM408 (KVS599) goes for a drive in the country, ostensibly circa 1982, and gets stuck:
Closed top RM70 also appears:
However the standout shot could be this mid 1980s reflection of a time travelling London General double decker. I believe it's a WVL (Volvo B7TL/Wright Eclipse Gemini) on route 11.
Not sure? Let's reverse it!