gangster Griffiths learning he's with an alien: "You said you were from Fulham."

I liked that but I also thought come on, Hitch Hikers isn’t that long ago to just nick its jokes

the one bit where Can You Trust New Doctor works is when he cheerfully tells Peri to shoot a man - and she can't tell if he's bluffing, and neither can the audience (well, the contemporary one, we can tell he is).