Randall grapples with anxiety.

Randall grapples with anxiety.

Supergirl’s powers are tested when Reactron, one of Superman’s formidable enemies, arrives in National City and targets the young hero. Also, Cat plans to run an exposé on Supergirl.

Carter sticks up for Neela when the other attendings doubt her future in the ER. Neela caves to the pressure and accidentally gives a patient the wrong medication. Gallant takes…

The NCIS team investigates copy-cat crime scenes while Gibbs navigates two ex-wives relentlessly trying to get his attention.

When Brennan and Angela get caught in a fight in a dance club, Brennan kicks someone into a wall, which causes the wall to break open and reveal a mummified…