Underground Noah (Aldis Hodge) struggles to come up with a new plan while Ernestine (Amirah Vann) forms a new bond. 7, 8, 9 and 10 p.m. WGN America
Blindspot Jane and Weller (Jaimie Alexander, Sullivan Stapleton) must participate in a scavenger hunt conducted by hackers, and the items to be located have dangerous implications. Archie Panjabi and Ashley Johnson also star. 8 p.m. NBC
Arrow Adrian Chase (Josh Segarra) is a wanted man; he’s not just on the run from Oliver (Stephen Amell) and his team, but ARGUS and Star City’s police force as well. Emily Bett Rickards and David Ramsey also star. 8 p.m....