After Mac arrives to the bar with scratches on his neck and exhibiting strange behavior, Frank comes to the conclusion that he is the serial killer terrorizing young women in Philadelphia. Frank sets out with his trusty chainsaw and a doubtful Charlie to find evidence to implicate Mac in the murders. In search of another suspect, Dennis and Dee do a little role-playing in order to help themselves better understand who they might be dealing with.
Jack hires his own private investigator to lead GE in the wrong direction so that they will not be able to find any dirt on him that might put him in a compromising position. However, when he is asked to give up his cookie jar collection, Jack finds the task too much of a challenge. Meanwhile, Angie announces that she will follow Tracy at all times to keep him in line, which Liz believes to be good until she covers for Tracy and gets on Angie's bad side. Finally, Jenna starts to worry once she starts to lose all the weight she gained over the summer and her popularity begins to hang on the line.
Paul's abuse on Chimchar becomes dangerous to its health and causes it to collapse from exhausted during training. However, despite everyone's protest and waring to let Chimchar rest, Pauls enters it into the second day of the Hearthome City Tag Battle anyway. The harrowing battle leads to a fateful decision for Chimchar.
When a dentist is murdered by the mother of one of his patients, Goren and Eames follow the trail of evidence to a company that appears to have been the victim of a criminal conspiracy involving contaminated mouthwash.
Paul Teutul, Sr. and his son Paul Teutul, Jr. manufacture custom chopper-style motorcycles.
A face familiar to one of the year-twos shows up and dredges up issues that were never really dealt with. A teen soccer player needs counseling because of his father and surgery for an injury he sustained while playing the game. Another patient's, named Courtney, finds out that her cancer is back.
Earl is given an assignment after attending a prison class which focuses on creative writing: to write a story. Soon Earl realises that writing is harder than he thought.
Michael is quickly going into debt with Jan renovating his condo. Meanwhile, it's a barn burner when Jim and Pam check in to the Schrute family farm, which has been converted into a bed-and-breakfast.
Not one of Red's friends wants to gather apples with her. The Super Readers travel into the Little Red Hen Story. They have discussions about the story and Red learns how to solve her problem.
Dr. Curtis Knox says he can "cure" someone from being a "meteor freak," changing their lives. Chloe takes an interest in this, but Dr. Knox may have another secret.
During an off-world mission Colonel Sheppard unknowingly becomes host to an alien entity, which infects others in Atlantis and afflicts them with terrifying nightmares.
The Winchesters are called regarding a robbery of their father's storage unit, and track down the robbers to find the item stolen is a cursed rabbit's foot, which provides great luck until lost, and once lost the previous owner dies within a week.
As Thanksgiving approaches, Don's work responsibilities interfere with his domestic life. Peggy is given a new opportunity, provoking the ire of some of her colleagues. Betty makes a startling discovery.
Chuck holds true to the threat she made in the pilot by baking anti-depressants into her aunt's food, in the form of Ned's pies. Olive delivers one to them and stumbles onto Chuck's secret. Now that she has dirt on Chuck - that her aunts think she's dead - will Olive use it against her to get Ned?
Pig goes on a picnic and is starving because he didn't think ahead to pack a snack. When the Super Readers fly into the story of The Ant and The Grasshopper, they see that the grasshopper is equally unprepared for winter, because he didn't plan ahead. With the help of the ant, both the grasshopper and Pig learn about forward thinking.
It's their first official date and Dan tries to impress Serena with an elaborate plan for the date, but fails to understand that Serena is happier with beer than champagne. That same night Jenny is invited to the infamous Blair Waldorf sleepover and finds herself in a high stakes game of "Truth or Dare". Meanwhile, Lily finds out that Erik is missing from the treatment center, and she finds herself seeking help from her ex-boyfriend, Rufus.
When a wealthy man is found murdered in his bed, Crews befriends the only suspect, a homeless thief camping outside the estate.
Is it possible to solve a murder 24 hours before it happens? Mac wonders if the suspect traveled through time to know about the murder in advance.