NGTV Guide: Monday, May 17

Scott Bakula returns on Chuck, and it’s the Castle season finale. Yay, May sweeps!

Chuck – NBC 8/7c
“Chuck vs. the Living Dead” – CHUCK TRIES TO KEEP HIS SPY LIFE SECRET FROM HIS FATHER – SCOTT BAKULA (“QUANTUM LEAP”) GUEST STARS – After his last dream, Chuck (Zachary Levi) asks Morgan (Joshua Gomez) to help him on a side mission. Their investigation becomes complicated when Stephen J. Bartowski (guest star Scott Bakula) returns and learns that Chuck downloaded the Intersect 2.0. Luckily, Chuck’s father may be able to help his son. Yvonne Strahovski, Adam Baldwin, Ryan McPartlin, Scott Krinsky, Vik Sahay and Mark Christopher Lawrence also star.

Castle – ABC 10/9c – SEASON FINALE
“A Deadly Game” – Nothing is as it seems when Castle and Beckett investigate what appears to be the assassination of an intelligence operative. Meanwhile, Beckett’s romance with Demming threatens her relationship with Castle, forcing them to confront their feelings for each other. Also in the episode, Stephen J. Cannell, Michael Connelly and James Patterson guest star as themselves playing poker with Castle.