Best bets on TV tonight

“Bones” (8 p.m., Fox): On “Bones,” Booth has his style severely cramped when his grandfather (Ralph Waite of “The Waltons”) comes to live with him after moving out of a nursing home.

“Supernatural” (9 p.m., The CW): It’s another tough assignment for our heroes on “Supernatural.” They’re trying to hunt down Lucifer (Mark Pellegrino) and send him back to hell. So who let him out anyway?