In the fourth-season finale, O ka Pili 'Ohana ka 'Oi (Hawaiian for Family Comes First), the notorious Wo Fat escapes from prison and heads back to the island with very bad intentions. CBS/Global, 8 p.m.
The business moguls entertain pitches from entrepreneurs hoping to save or jumpstart their businesses in this new episode. ABC, 8 p.m.
Season 4 of this family cop drama concludes with the new episode Exiles. Danny is placed on limited duties after investigating a case that was declared off-limits; what he found, however, suggests a high-level coverup. CBS/CTV, 9 p.m.
George Stroumboulopoulos: Tessa Virtue & Scott Moir
David Letterman: Nathan Fillion, Tom Dreesen
Jimmy Fallon: James McAvoy, Amy Schumer
Craig Ferguson: Eugenio Derbez, Elizabeth Henstridge
Seth Meyers: Cameron Diaz, Leslie Mann