When Supergirl needs help, Alex asks Lena and Brainiac to team up. Meanwhile, J'onn questions his decision to quit the DEO. However, after running into Manchester Black, ...

As Hiro's life continues to hang in the balance, he distracts himself with saving the lives of others. Meanwhile, Angela tries to help the new Nathan remember his past, a ...

McGee and the team race to find the hacker responsible for infecting a vice admiral's laptop with ransomware. ...

In a dumpster at the US Naval Academy, Annapolis, Maryland, a three-star admiral finds the body of a long-time friend, who was overdue for a meeting with him; Gibbs and c ...

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