Miles (Billy Burke), Charlie (Tracy Spiridakos) and the rest face new challenges in a new episode titled Happy Endings. Monroe (David Lyons) mounts a dangerous mission, and Miles (Billy Burke) and Rachel (Elizabeth Mitchell) keep Willoughby safe. Citytv/NBC, 7 p.m.
Republic of Doyle
In this unlikely crossover episode, Jake (Allan Hawco) crosses paths with Bill Murdoch (Yannick Bisson of Murdoch Mysteries). Jake gets some help from unlikely places as he works to solve an old mystery. CBC, 8 p.m.
The BAU team heads to Arizona to hunt for a methodical killer in a rebroadcast of this season premiere. All the while, members of the team suspect that Hotch (Thomas Gibson) could be up for new BAU unit chief. Emmy winner Camryn Manheim guest stars. CBS/CTV, 8 p.m.
Jay Leno: Bill Maher, Whitney Cummings, Jennifer Nettles
Jimmy Kimmel: Andy Garcia, Norman Van Aken
Craig Ferguson: Kevin Bacon, Karla Souza
Jimmy Fallon: Jennifer Connelly, Miles Teller
Jon Stewart: Johnny Knoxville