After a key witness and a U.S. marshal are ambushed and killed, Maggie and OA must track down a man who leaked the information that led to their murders.

When a Navy Admiral’s daughter is the prime suspect in a double murder case aboard a research boat, the NCIS team partners with the Coast Guard Investigative Service (CGIS) to…

When Kara and Alex investigate the murder of an unregistered alien, the trail leads to an alien fight club run by Roulette, the ringmaster who commands aliens to fight in…

Upton brings back an old undercover identity to help take down a meth ring spearheaded by a former criminal contact. And with pressure from Woods mounting, Voight calls in a…

Rick and the group realize the only way to maintain the peace of Alexandria is to fight a new enemy. This time, though, our group might be outmatched.

Just as Amelia comes to a realization, Teddy encourages her and Meredith to speed up their Alzheimer’s research over fear of Catherine finding out. Mika finds herself caught in the…