Episode 1.2: The Fantastic Chore
Features Sullivan Buses VPL174 (X157JOP), a Volvo B7TL/Plaxton President, with Dean Sullivan at the wheel (thanks Dean!). Here, superhero The Hotness boards the bus:
....and tries his charm on a passenger:
There's a shot that implies this is the rear of the bus, but it's actually a London General WVL-class Volvo B7TL/Wright, and it or another WVL is then seen through the upper deck windscreen of VPL174: