Miles gets separated from the group as he, Charlie, Connor and Monroe try to escape Austin in the new episode $#!& Happens. Later, Neville demands answers when he confronts Charlie. NBC/Citytv, 7 p.m.
In the new episode Fatal, the team investigates a case involving a murder suspect who's obsessed with Greek mythology. Meanwhile, Hotch has misgivings about taking part in Jack's third-grade career day. CBS/CTV, 8 p.m.
In this new episode, the Intelligence Unit tracks the bombers responsible for the attack that rocked the city (as seen in Tuesday's episode of Chicago Fire). They must sift through the rubble of the blast and decipher the truth. NBC/Global, 9 p.m.
George Stroumboulopoulos: Kris Holden-Reid
David Letterman: Kiefer Sutherland, Adam Resnick
Jimmy Fallon: David Spade, Sophia Bush
Jimmy Kimmel: Leslie Mann, Tony Hale
Craig Ferguson: Jim Gaffigan, Rachael Taylor
Seth Meyers: Lucy Liu, Barney Frank
Jon Stewart: Martin Gilens, Benjamin Page
Conan O'Brien: Seth Green, Dave Attell