some of the BEST lines: "After you, Gandpa," Guess what I got you? "I'm stumped." : )
Endeavour Season 5 Episode 3 (s05e03)
Set in the mid-sixties, this prequel centres around the early career of Endeavour Morse (Shaun Evans). After leaving his Oxford college without a degree, and spending a short time as a cipher clerk, Morse joins the police working under veteran DI Fred Thursday (Roger Allam). This show was preceded by "Inspector Morse" (1987-2000) starring John Thaw and Kevin Whately.