When an investigative reporter is hospitalized following a fall from her balcony, Tia convinces Toby that it was no accident. Their investigation leads them to an influential hotel owner, but, as it turns out, he has an alibi. CTV, 9 p.m.
Severide supports Mills when he wants to join the squad, but not everyone is so happy about it. Dawson and Shay guide a new paramedic candidate through a few shifts. Casey receives a surprise visit just as Molly's is about to open. NBC/Global, 9 p.m.
Stanley Cup playoffs
It's an original-six matchup -- the first since 1979, when the Montreal Canadiens beat the New York Rangers in five games -- when the Boston Bruins travel to Chicago to meet the Blackhawks. Interestingly, it's the first time these storied franchises have met in the final. CBC, 7 p.m.
George Stroumboulopoulos: Mark Burnett
Jay Leno: Kevin Hart, Trace Adkins & Colbie Caillat
David Letterman: Tom Brokaw, Darlene Love
Jimmy Kimmel: Jonah Hill, the Lonely Island
Craig Ferguson: Valerie Bertinelli, Adam Ray
Jimmy Fallon: Gov. Chris Christie, Jennette McCurdy
The Daily Show: Mavis Staples
Conan O'Brien: Nathan Fillion, Bret Michaels