Tonight’s Picks

THEFLASH (15) WCWN 8:00 p.m.

Barry Allen (Grant Gustin) and Oliver Queen (Stephen Amell) inexplicably switch bodies in a rebroadcast of this special crossover event. As they try to figure out what’s happening, they enlist Supergirl’s (Melissa Benoist) help.

WWEMONDAYNIGHTRAW USA 8:00 p.m.

Wrestling fans are in for a treat asUSANetworkpresents three hours of WWEaction in this long-running presentation. With more than 1,000 episodes under its belt, the programhas been on the air for more than20 years.

HAPPYTOGETHER (6) WRGB 8:30 p.m.

Cooper (Felix Mallard) gives Jake(DamonWayans Jr.) and Claire (Amber Stevens West) an anniversary gift that incorporates their personal wedding vows in this newepisode. Tensions rise, however, whenthey try to take the vows literally.

BULL (6) WRGB 10:00 p.m.

Bull’s (MichaelWeatherly) therapist friend is sued for malpractice after a patient goes on a deadly rampage, and Bull takes him on as a client. However, heworries about howthe outcomeof the trial could affect doctorpatient confidentiality.

MANIFEST (13) WNYT 10:00 p.m.

Michaela’s (MelissaRoxburgh) calling strains her relationshipwithJared(J.R. Ramirez) inanewepisode of this uniquelymystifying drama. Meanwhile, Ben(Josh Dallas) investigatesanother meaningtoMichaela’scalling.