A second Stan shows up because of Kronis' wormhole and Charlie must find and stop Kronis before people start noticing there are two Stans.
Alex tries to help Hugh find his birth parent's after he finds out he is adopted. Meanwhile, Max's plan to get revenge on Alex backfires.
Mia has a session with Paul to apologize for her unprofessional behavior from the week before, acknowledging she intercepted his file when his attorney couldn't be there, in order to surprise and needle him. She reveals she's been having a year-long affair with her boss Bennet, who's married.
April arrives at her session, furious. Her iPhone has died in the middle of a call and she asks Paul if she can use his phone. He resists, suggesting it's not the best use of her time and presses April for why she's so angry.
Tim and Eric engage in a high stakes game of tennis, while Richard Dunn presides. Meanwhile, Glen Tennis sits down with Grum to discuss the release of their latest film.
When Lister's busy day of annoying Rimmer was interrupted by the discovery of a dimension-hopping leviathan in the ship's mile-deep water tank, transporting the crew back to Earth, all Lister's dreams appear to be coming true.
Tensions rise on set when Sonny is asked out by Tawni's ex boyfriend, James, who is guest starring on Mackenzie Falls. And when James attempts to date both girls, Sonny decides to get revenge in the best way she can... by going on a date with Chad.
Walt's secret is in jeopardy when Skyler thanks Gretchen for paying for his treatment.
A strange monster is inhabiting Carl's pool, and the Aqua Teens attempt to get to the bottom of the mystery. It turns out to be a mermaid, who has sex with Carl, Frylock, and Meatwad, who all explode as a result of being impregnated by the mermaid. Master Shake, meanwhile, does not explode, despite describing his supposed sexual encounter with the mermaid to no one, as they have exploded. Special Guests Vincent Pastore provides the voice of Terry (uncredited) and Dana Swanson as the She Creature
Breeding and training Alaskan Huskies as sled dogs with Martin Buser; revisit of dirty jobs in Alaska: Bird ringing common terns and Canadian geese ("Abandoned Mine Plugger"), fishing and processing of fish ("Floating Fish Factory"), cleaning up diesel spill in Dutch Harbor, Alaska ("Ice Salvage Crew"), incinerating toilet cleaner ("Bologna Maker"). The mail bag portion was taped at the Soo Locks on the floor of the MacArthur Lock in front of the upstream bulkheads.
The uproar over the king's break with the Catholic Church turns into a full-blown rebellion that comes to be known as "The Pilgrimage of Grace." Immobilized by an old jousting injury, Henry sends Charles Brandon to deal with the uprising and focuses his attention on the Lady Ursula Misseldon.
When Sam attacks Bridget, the other members of the Unit must hunt him down.
The team re-opens the 1999 murder of a Cuban baseball star who fled to the U.S. after being fired from his team.
Blue asks Holly J. to the winter dance using a romantic presentation during class, but she has a crush on her co-worker, Spinner, and she says she has to work. The truth, however, is that it was her night off, and she only wants to spend time with Spinner at the Dot Grill. When Holly J. and Spinner are alone in the Dot after work, a former Lakehurst student comes into the Dot with a gun. When Blue comes to the door, Holly J. is forced to answer and she spells out "gun" in the fog on the window. Spinner eventually gets shot by accident after the student didn't intend to come in there and hurt anybody. In panic, Holly J. reveals her feelings for Spinner. She then convinces the shooter to come out of the Dot with her, and Spinner gets rushed to the hospital with Jane by his side. Spinner says to Holly J. that if it would not have been for her, he would be dead; he had heard everything she said, but reminds her of his relationship with Jane. Holly J. leaves and shows up at the dance, where the entire room applauds her bravery. She dances with Blue and finally informs him of her financial difficulties, which is why she didn't go to the concert with him. He calls her "Holly" and they continue to dance, Holly J. smiling in his arms.
History repeats itself as Scott and Justin push as far south as they can go. Adventure, fate, chance and the infestation of the travel bug all play a huge role. On one of the most remote islands on Earth, Easter Island, the guys experience the breath-taking awe of the infamous heads and try scuba diving again. They then head to Patagonia to help with Gaucho sheep-sheering and to visit a penguin island where a brave little penguin develops a crush on Scott. Their experiences in the southern-most town on Earth ultimately wins them a ticket to Antarctica, when by chance they run into a pilot friend who took them on an Arctic cargo plane one year previously.
A new lineup brings big names to the big game as Daniel Negreanu, Antonio Esfandiari, Howard Lederer, Joe Hachem, Sam Simon, Nick Cassavetes, Patrik Antonius, and Phil Laak kick off a new episode of High Stakes Poker.
The teams are challenged to create a design store displays for an identity-theft-protection company. But the teams seem overwhelmed when one contestant becomes sick, a deadline looms and a feud remains strong between two teammates.
When Lewis and Hathaway investigate a murder in town, forensic evidence leads them to suspect there is a connection with the reforming of an old rock band.
The Sheriff turns the heat up on Robin and his gang by forcing the Abbot to accuse them of stealing from the church. Tuck's attempt to clear Robin's name ends with him being captured and tied to the rack. Will the gang free Tuck in time, while escaping execution themselves?
Sam wants lessons from Carly on how to be girlier and be a better person to attract her classmate, Pete. At the end of the episode, Pete arrives at the Groovy Smoothie, ready to go on a date with Sam. The bully at school, Jocelyn also arrives to bother the iCarly team. So Sam beats her up, not knowing that Pete was watching. Meanwhile, Spencer starts sporting his tuxedo daily because he thinks it's the reason why a woman he met likes him. He is convinced later that she doesn't just like him in his tux because she kisses him (even though the tux is still on, so she might just like him with the tux on).