Worried about the effects of violent video games, Marge encourages Bart and Milhouse to play board games; Lisa becomes smitten with a new student, a vampire; while on a second honeymoon, Homer and Marge rescue a castaway who escaped from his ship.

Bart befriends a boy (Daniel Radcliffe) and his falcon, then learns the relationship with each is more complicated than he thought.

This is how we imagine Dora the Explorer's Quinceanera going; You'll see why the Angry Birds got so angry; The writers bring Thomas the Tank Engine to an explosive end.

Actor Daniel Radcliffe; actress Maggie Gyllenhaal; former Special Presidential Envoy Brett McGurk; Brandee Younger sits in with Louis Cato and the Great Big Joy Machine.

The Queens get nostalgic about their old-school favorites; Phoebe tests Jessica's friendship compatibility with actor Daniel Radcliffe.

Daniel Radcliffe talks about the "Harry Potter" series of films and his work on Broadway.