The pressure mounts for Oliver who begins to wonder if he will lose everything in his battle to save Star City. A familiar face returns.

Y’all youngins don't know nothing about this. This one takes me back to middle school. Shout out Miller Grove!

Lt. Severide is shocked when Rene Royce resurfaces; Casey comes up with a plan to help Chief Boden in his latest pursuit; Kidd regrets a decision she made regarding Severide; Herrmann clashes with Lt. Colannino over their son's basketball team.

Chaos erupts at the GCPD, sending Gordon on a wild goose chase for the culprit behind the mass takeover. Meanwhile, a friend of Bruce's becomes paranoid, resulting in rash and destructive behavior.

Alex and Jo go on a road trip to Iowa to find Alex’s mom, whom he hasn’t heard from in a very long time. Meanwhile, Meredith gives a presentation on her mini-livers project, which attracts a ton of attention, and Jackson works to rebuild the foundation after its reputation is threatened.

Sam, Dean, Castiel and Gabriel must work together if they have any hope of bringing Mary and Jack home. Meanwhile, Rowena’s encounter with Lucifer may alter the outcome of the journey for one of our heroes.

As the store prepares to host a company-wide Town Hall meeting, Amy and Jonah are forced to put their conflicts aside and rally their co-workers to confront the CEO. Meanwhile Glenn struggles with the pressure of speaking to a global audience.

When Sheldon learns that his mother won’t attend his wedding unless he invites his brother, Georgie, he and Leonard travel to Texas to end a family feud. Also, the Wolowitz kids inadvertently infects Amy, Bernadette, Wolowitz and Koothrappali with pinkeye.

Episode info coming soon ..