Mike takes a trip to the La Brea Tar Pits in Los Angeles to find out about the important work being done in Pit 91. Then Mike travels north where he learns about rendering and discovers how much of a farm animal can be recycled.
Olivia's sister, Rachel, visits; Walter, Peter and Olivia try to solve the murder of an esteemed epidemiologist, which may be linked to Olivia's abduction.
The Leverage team attempts to expose a conglomerate’s cover-up of their toxic fertilizer, which has resulted in the death of a young girl. But the CEO has put all of the damning evidence on a plane to the Cayman Islands. The team races to catch the flight but, once airborne, they discover that the CEO’s intentions are far more sinister and that to avenge one life they’ll have to save their own.
Adrianna must cope with her decision about her baby and her baby's father and turns to Naomi and Kelly for support. Ethan helps Annie prepare for the school play's try-out and are shocked to find out that Ty is also auditioning. Meanwhile, Dixon asks Debbie for relationship advice.
Trying to avoid connection to Terence and ordered by Fiona to stay away from 232, Lauren is lying low but realises her greatest fear is her children finding out she is a sex-worker. She decides it is time to tell them what she does and books a trip to LA. Rattled by her strong sexual connection to Jack, Heather sets out to confirm that her lesbian tendencies are still firmly in place. Chloe questions her relationship with Josh as he returns from the tour.
Natori invites Natsume on a Hot Spring trip. But noises from the closet and a kimono-clad figure dangled from the ceiling make Natsume uneasy. Not wanting to trouble Natori because of his kind gesture to enjoy the Hot Spring with him, Natsume investigates the Hot Spring himself. During the night Natsume meets with the Youkai, where she comments that he is too soft, and attacks!
Brent has trouble proving to Lacey and Hank that he's a true Roughriders fan. Davis enlightens Wanda to the unwritten rules of mixed CDs, while Karen volunteers to read books at the seniors' home and has some unlikely fans in Oscar and Emma.
When Sam sees a litter of puppies being born, he worries he might not be able to handle the birth of his own child.
When a murder occurs during a horse race, Horatio discovers that Ryan has a personal connection to the case.
House and the team try to diagnose a man living with severe, chronic pain; Thirteen and Foreman explore their complicated relationship; Cuddy discovers that caring for her baby leaves her with little time to run the hospital.
As the threat of terrorism escalates, Jack Bauer is forced to take matters into his own hands to avert the imminent crisis facing the country. Meanwhile, lives are on the line as conflicted Agent Renee Walker copes with the volatile investigation, and FBI honcho Larry Moss is forced to keep a closer eye on his team as the nation's security is in jeopardy. At the White House, international stakes are raised and the First Gentleman proceeds with his personal mission.
Lily and Marshall try to continue their airport reunion tradition. Barney and Ted offer to keep MacLaren's open during a blizzard so they can meet up with some college girls.
Lucas and Julian have a difficult time finding the right director for their movie. Meanwhile, a present from Lucas confuses Peyton and Brooke battles with romantic complications.
Pat's BBQ (Salt Lake City, Utah) • Blow Fly Inn (Gulfport, Miss.) • Tune-Up Cafe (Santa Fe, N.M.) Guy Fieri uncovers some places the regulars keep piling into: In Santa Fe, a little café serving El Salvadoran specialties; In Salt Lake City, a barbeque joint where folks line up for the house special -- burnt ends. And on the Mississippi coast, a joint on stilts where they re doing Creole favorites.
Following workers at the Pennsylvania SPCA, which rescues more than 10,000 animals each year, including domestic pets, and exotic and dangerous creatures.
Eternally-single Erica brings best friend Ethan to pose as her boyfriend at her high school reunion. She begins to understand the source of her relationship with men by revisiting the loss of her virginity.
The students are stressed out as they find out who was accepted and who didn't make the cut for early admission to Yale. Meanwhile, Serena bonds with Rachel, her Shakespeare teacher, who is unaware of what Blair has in store for her following receiving her first B; Chuck finds an unlikely ally in his feud with Jack; and Nate and Vanessa have a romantic evening together.