Several members of the team behind the “The Inbetweeners” series and movies are reuniting for “The Festival,” a new comedy following a group of students as they graduate and head to a music festival.

15 years ago today, the very last episode of The Inbetweeners was broadcast on E4, bringing an era of British comedy to a fitting end. Set at Rudge Park Comprehensive, The Inbetweeners followed the ...