In episode 20 of Bangers & Classics, the boys try to figure out if E10 is the latest boy band from East London or just HMG's idea of a bad joke, James Taylor and a Beach Boy are outcooled by Warren Oates in the California sun, Martians take over a Citroën factory, the Vauxhall Nova pleads its case before a Burberry-clad Banger or Classic jury, James reveals the latest entries in his car spotter's notebook, David wears a disguise to the shops, and the safety (or otherwise) of old cars is discussed.