Chloe invites an injured 15-year-old to move in with her. Meanwhile, Clark experiences his first day of work with Lois.
After Dean's encounter with Castiel, Dean, Sam and Bobby brush up on their biblical lore when they're attacked by the vengeful spirits of people from the Winchesters' past. They're warned it's a sign that someone is trying to break seals which will bring on the apocalypse.
Michael tries to motivate the Scranton branch to lose weight as part of an interoffice competition. Jim is lost after Pam leaves for art school in New York, and Angela continues to see Dwight even though she is now engaged to Andy.
The 15th and final season of ER begins with the devastating repercussions of the ambulance explosion. As Morris and Neela do everything they can to save a wounded colleague, Abby treats a young girl injured during the blast.
Charlie finds out that the waitress has been seeing someone. He calls on Mac, his so-called best friend, to find out more information about the guy and to beat him up. However, it turns out that Mac is the guy the waitress has supposedly been seeing. Dennis, heartbroken that he's not Charlie's best friend, tries to win him over.
Due to the gang's latest "business expenses," Paddy's is in dire need of money. Frank buys a billboard to advertise the bar, but Dee decides to create a viral video to post on YouTube for promotion. Charlie quickly joins her, leaving Frank and Mac to hold a contest for some hot models to feature on the billboard. Naturally, Dennis joins the competition to prove his worth.
Dawn has entered the latest contest held in Celestic Town. Dawn meets her mother's old rival Yuri, that wants to win this contest. When she and her mom's rival "Lila" (Yuri in Japanese version) come face to face in the Finals of the contest Dawn has to give it all she has to win. Dawn wins the Celestic Town ribbon and her third contest ribbon.
Brock is away on an errand. When they can't handle it, they send Gliscor to bring Brock back. Brock finds he can't carry Gliscor back, as it can't glide in the wind going the opposite direction, and leaves it, promising to return for it. At the end of the episode, the gang comically realizes that they left Gliscor behind, and scene shows a frustrated Gliscor with a long way to go.
Belle has a professional crisis. During a disastrous threesome with Bambi and a flashy nightclub owner, Belle freezes. She just can't go through with it. Why? She meets up with Ben and spells it out - she is in love with Alex. How can she ever work again?
Betty must make a life-altering decision about what to do with her life. Meanwhile, Ignacio lands a job at a fast food restaurant while Wilhelmina forces Daniel to make changes in his life.
The club travels to Nevada to store arms with a brother club; when the Mayans pose a threat, Clay decides to "patch-over" the tribe, making them an official charter; Tara's ex, an ATF agent, investigates SAMCRO.
Mike and KITT must deliver a package -- a task that seems easy enough until they learn the package is a man with a code built into his DNA. The task becomes more difficult when a mysterious woman gets in their way.
Christine offers to marry Barb to help her stave off deportation. Meanwhile, Richard looks to pop the question to New Christine.
The contestants are given the task of designing for each other, inspired by different genres of music. They have $150 and one day to complete the challenge.
Picking up where the season 4 finale left off. The team is investigating the death of a woman named Lauren Santana whom is linked to the bank robbery. She is a friend of Flack's sister Samantha. Also Mac has escaped the robber but the bodies are still piling up. So the team must quickly find the bank robber before he is able to get away.
The pieces of a dismembered body are found lying in a purple pool of water, except the head is missing. The team finds that the body belongs to Jared Addison, a science fiction writer who had several mental problems. With Sweets' help, several suspects are hunted down, however the team has trouble finding enough evidence with the victim's head still missing.
This episode demonstrates the production processes for pencils, metal recycling, coffee.
When Kenny becomes Joy's new "girlfriend," Eddie feels left out and gets jealous of their girl-talk. In an attempt to feel included, Eddie crashes Joy's '70s-themed work party and sends Joy to the hospital in a disco mishap.