As the Doctor prepares for his inevitable death at Lake Silencio, he visits a former roommate and learns that the Cybermen are responsible for a series of disappearances at a local department store and resolves to investigate.
Dr Alice Roberts discovers what kind of a place Britain was before the Romans invaded.
Lok and the Foundation team are on the trail of Avalon. Sophie is drawn to a crystal cave where she must prove herself to the Casterwill Elder Nimue. Sophie learns she is a direct descendant of Lord Casterwill and bonds with the titan she thought was lost, empowering her and turning her into Powerbonded Sabriel. Nimue promises to help her find Avalon and the Willblade.
Radiohead performs "Lotus Flower" and "Staircase." Sketches include Either the 7th or 8th Debate, Red Flag, All My Children Wrap Party, WDHX 19 Buffalo, Who's on Top?, Top Gun Screentests, Child Psychologist, and Angels in the Trenches.
Twilight's friends have been corrupted by Discord, and all of Equestria is about to fall into total chaos. Twilight remembers about the riddle of finding the stolen Elements of Harmony. However, even after obtaining them, can she and her friends defeat their most powerful foe yet with almost all hope lost?
Carly suggests that Sam and Freddie try each other's favorite hobbies; Spencer asks his former babysitter to dinner. Also, Sam and Freddie go see her Uncle Carmine and his friend, Chaz, in prison. Chaz threatens Freddie so Sam and Freddie must come to terms with their relationship.
The Vesuvius twins adopt Skipper and Julien, then force them to fight each other.
Kowalski invents a group of tiny robots, which he says will protect the penguins from harm.
The Decepticons quickly try to build a space bridge before a prophesied darkness arrives.
The Boynton Beach, FL, Police Department conducts an undercover operation involving a woman who has allegedly hired a hit man to kill her husband. While posing as the hit man, an undercover officer has a candid conversation during which the woman details the situation. Following the conversation, the police department sets up a mock-crime scene so that when the suspect arrives home, she will think that her plan has been completed.
In this edition, Jonathan is joined by acting legend Dame Helen Mirren, comedian Harry Hill and the fantastically flexible Louie Spence. Plus Kasabian perform their latest single live in the studio.
The successful auditionees head to London's Hammersmith Apollo for the biggest bootcamp ever. Judges Simon Cowell, Dannii Minogue, Louis Walsh and Cheryl Cole will be putting 200 acts through their paces. Who will be able to handle the pressure and stand out from the crowd, and who will be heading home? After this first challenge, only 50 acts can go through to the next bootcamp stage. Host Dermot O'Leary is on hand to offer condolences to the unlucky and celebrate with the chosen few.
A new rocker-chick neighbor blows the guys away. Carlos and James are desperate to date her, while Kendall tries to prove that BTR can rock too.
Amy and Steve uncover the murderous past hidden within the walls of a rural New York farmhouse. Steve's complex investigation reveals a mother's unspeakable crime, while Amy's harrowing walk-through leads her to a dangerous portal.
Zak, Nick and Aaron confront the demonic spirits of the Ashmore Estates.
Superboy and Miss Martian go undercover inside Belle Reve Penitentiary.
Stephen Fry investigates an imbroglio of issues with John Bishop, Frank Skinner, Sean Lock and Alan Davies.