Superstore Amy (America Ferrera) sees Mateo and Jeff (Nico Santos, guest star Michael Bunin) on a secret date in this new episode of the workplace comedy. 8 p.m. NBC
Supernatural Sam and Dean (Jared Padalecki, Jensen Ackles) seek Rowena’s (guest star Ruth Connell) help in their investigation of a specter that emerged from an 18th-century shipwreck and may be the key to solving a present-day murder at a museum. 8 p.m. KTLA
Grey's Anatomy Alex (Justin Chambers) returns to the hospital and finds that much has changed since he left in this new episode of the medical...