On tonight's The Americans, President Reagan has been shot and both the KGB and FBI look into who was behind it. One wrong move and a war could be triggered.
On tonight's NCIS: Los Angeles, the NCIS team investigates the possible re-emergence of a 1970s domestic terrorist group. Will they prevent more deaths?
On tonight's The Big Bang Theory, Leonard decides to move out of his apartment with Sheldon and move in with Penny. That's going to work out well, right?
On tonight's NCIS: Los Angeles, the team goes undercover for dangerous tactical training. When one of their own is put in danger, will they be able to save him or her?