Don's life hangs in the balance after he is injured during a raid while investigating a series of home invasions.
After hearing thunder during a storm, Timmy becomes fixated by loud noises. So, his friends try to help him with this fear.
Taylor Stiltskin's film producer father is throwing her the perfect sweet 16--only nobody showed up! Henry runs into an old friend. Ron gets business advice from a rap duo.
Michael and Lincoln come to blows over Scylla as Christina sets the wheels in motion for her plan. Meanwhile, Sara receives life-changing news. T-Bag arrives at the Indian Embassy. The General becomes increasingly paranoid.
When Adelle’s wealthy friend is murdered, Adelle imprints Echo with the woman’s memories and personality to solve the case. Ballard looks into Mellie’s past, and Topher secretly programs Sierra for an engagement.
Chris is shocked when Tasha agrees to be his girlfriend. But he is even more shocked when he discovers how much of his free time would disappear by having a girlfriend. Meanwhile, Rochelle discovers that Julius has been married before, and had never gotten a legal divorce.
The SRU is called in when a bank employee whose wife is being held captive hacks into the computer system to steal money to pay off her captors.
Jenny and the team, with unwanted help from Danny, attempt to stop London from becoming engulfed by a pandemic when they face an incursion of a deadly, fast-spreading fungus from the future that turns its hosts into primal monsters. Meanwhile, Sid the Diictodon has escaped Connor's custody into the ARC and is causing calamity, and Jenny learns the truth about Claudia Brown.
The Saturdays discover the existence of underground cryptid fights run by Leonidas Van Rook. They soon discover that Van Rook isn't in on this on his own.
Dr. Goode continues to see patients in New York; she wages war on her ex. Trying to get back into dating, she finds herself coming up a little short. While the doctor is out, Lola runs a magic "blendie" business from the LA office.
Earl tests the faith of a former gangbanger-turned-born-again reverend, whom he's wronged many, many times.
Leslie arranges for a reporter to do a story about her park project, but she and her committee have the worst time staying on topic. She then calls Mark to help her save the story, but it ends up hurting more than helping. Meanwhile, Tom does all he can to suck up to his boss.
Lois believes that she needs a big story to secure her reputation as a star reporter but the red/blue blur continues to elude her. However, after Chloe is mugged, Lois steps in to fend off one of the attackers and uses the opportunity to pretend a new superhero, Stiletto, has come to town and is giving exclusives to Lois. Clark is concerned Lois will hurt herself pretending to be a superhero but after he is captured by thugs with kryptonite, Lois steps in to save the day.
Booth's detective friend from Tokyo, Ken Nakamura, calls him when his sister, Sachi, goes missing while in Washington, D.C. With Brennan, Booth investigates her disappearance.
Meet the Winchester boys: Dean, Sam and... Adam. The Winchesters discover they have a younger half-brother, whose mother vanishes just as a long-dormant grave robber renews his ghoulish career.
Addison sends a pregnant woman to St. Ambrose for help from Noah after she experiences heart complications. Meanwhile, Sam begins to rethink his friendship with Naomi; Pete and Lisa's relationship becomes increasingly complex; and Sheldon takes a stand.
Michael's new company struggles to make early morning deliveries while the office tries to get their expense reports in on time after Angela enforces Dunder Mifflin's policy.
Jack goes shopping for an engagement ring, for Elisa, with Liz. Elisa tells Liz a secret, and a prank results in an injury back at TGS.