Lilly and the team look into a 1989 case involving a Russian opera singer. Vera has a strong recollection of the case being a rookie in the department at the time.
Hayley goes on a rampage after her boyfriend breaks up with her, but she calms down when she begins dating Stan's CIA body double, Bill. Meanwhile, Steve and Roger get jobs separating male and female chicks at a Chinatown hatchery.
With the annual Hudson Heritage Rodeo looming, everyone at Heartland gets roped into the action. Jack and Tim are forced to work together on the planning committee. Meanwhile, Lou is grooming Soraya to compete in the Queen of The Rodeo competition.
During shooting of a pivotal scene for "Smokejumpers," Vince gets contradictory direction from Verner, and Ari and Dana Gordon try to put out the flames. After receiving an unexpected call, Turtle has a clandestine meeting.
The Biker Mice discover they are not the only ones searching for tetra-hydrocarbons when they encounter an educated, soft-spoken Abominable Snowman-type creature named "A-Bomb". But will there be enough to save A-Bomb's family and give the Mice what they need to finish the Regenerator?
Richard visits his birthville Brennidon, which causes the D'Harans to return to the village looking for him.
The Turtles find more of Splinter's lost data bits, but they are embedded in the interface of Mikey's favorite online video game, SuperQuest.
Tom and company explore a giant temple for treasures to scan and discover much more than they bargained for. When one of the defense mechanisms mesmerizes Tom into a deadly trap, the rest of the gang (along with Larina) try to save him and Blazier.
Uther's past comes back to haunt him as a mysterious Black Knight interrupts Arthur's coming-of-age celebrations, throwing down his gauntlet and challenging the Knights of Camelot to combat. The Black Knight, seemingly unstoppable, makes easy work of his combatants. But who is the Black Knight, and why is Uther so uneasy?
Live from New York, it's... Jason Sudeikis! Sketches include "Vice President-elect Joe Biden," "Sproingo," "Kissing Family," "Scared Straight," "Everyone's a Critic" (Digital Short), "Tom and Tonya Peoples," "Garden Party Road Trip," "Beyonce Video Shoot," "Suicide Negotiation," "Proposition 8," and "Clearing the Air" (film). Beyonce performed "If I Were a Boy" and "Single Ladies."
Andreas Viestad visits Stavanger, where he cooks delicious fish courses and a spectacular dessert prepared with performance art, that involves manipulation of fire.
When the group's favorite pie shop closes down due to the death of the head chef, they go out to find the recipe for their favorite pie. The only person believed to have the recipe is the chef's granddaughter. She agrees to give them the recipe if she can go on a date with Spencer. She takes it a bit too far, and confesses that she never owned the recipe. Carly, Sam and Freddie hatch a plan to find the recipe. Meanwhile, Mrs. Benson's cousin's baby visits for a few days, making Freddie uneasy about it because his cousin always has a blank expression when she sees Freddie. Freddie tries finding a way to succeed in making his cousin laugh.
Cooper is kidnapped by the DNAliens, who want him to build a mystery arch.
One of Don and Charlie's friends dies in what is deemed an accident. Not convinced, the brothers investigate further and uncover something shocking.
Zak leads the team to Birmingham, AL, to investigate Sloss Furnaces. Built in 1881, this factory was a dangerous place to work. Many workers died and many more were injured. It's the souls of these workers that are believed to inhabit and haunt the factory.
Crusoe is racked with guilt as he contemplates stealing the boat of cannibals that have arrived on the island because of the two surprising captives that they would be leaving behind with them.
Megan sneaks out with Charles, and Christine and Peter have a blazing row. Annoyed with Ben, Anthony hooks up with an old gang buddy. And Kenny and Bebe interrupt a hold-up at Roger's barbershop.
Batman and the Blue Beetle attempt to stop an asteroid but end up on a distant planet fighting Kanjar Ro.