This episode demonstrates the production processes for alkaline batteries, wheelchairs, flutes and cowboy boots, and shows how each is made.
Denny takes Alan to Nimmo Bay, British Columbia, Canada, to help him get over his breakup with Tara. Catherine confesses to Bernard's murder. Sara and Garrett take extreme measures to help Denise challenge her husband's alimony demands in their divorce proceedings.
In suburban Nebraska, a group of partying high school teens jokingly dare their friend Charlie to look into the mirror and repeat "Bloody Mary, Bloody Mary, Bloody Mary," not knowing this will unleash a series of mysterious murders. Sam and Dean realize that Bloody Mary has the power to travel through all reflective surfaces when she is hunting a victim. Worried that teens are accidentally summoning Bloody Mary, Sam and Dean race to destroy the violent spirit before she can kill again.
After two separate confrontations with the Huntzbergers at a D.A.R. party, Richard and Emily realize Lorelai was right about their treatment of Rory.
When the teenage son of Stabler's old partner comes under suspicion for attacking a classmate, Stabler's inability to treat this like any other case gets him suspended.
When a corpse of a man is found inside a tomb that comes from the Civil War, the team discovers that the victim, a Sergeant, was buried alive. During the investigation, Abby tracks down the last phone call of the victim. Meanwhile, Gibbs is informed by his new boss Jenny Sheppard that agent Ziva is now a full-time NCIS agent.
Annabeth must choose between making a case against a kidnapping suspect or saving his victim's life. Annabeth takes a huge gamble when she denies kidnapping suspect, Derrick Adler (guest star Mason Gamble) his right to have a lawyer present during his interrogation in order to force a confession with the hope that he will lead the police to his victim's whereabouts so that she can be brought home alive. Derrick had kidnapped college mate Amy Flynn (guest star Shannon Floyd) after a campus party, a person who he has been stalking for over a year. With time running out Annabeth is put in a tough predicament. Meanwhile, Maureen must decide whether or not to prosecute a detective who obstructed justice in order to protect a fellow cop.
A woman wants surgery to make her look like her when she was younger, to jog her Alzheimer-stricken husband's memory. Christian and Sean work on another Carver victim, who does not have the same physical attributes as the other victims.
After Eric and Annie discover that Simon and Rose (Sarah Thompson) are living together, they demand that she move out. When Simon doesn’t object as strongly as Rose would like him too, she questions his feelings for her. Meawhile, Lucy is counseling a gir
Sam's whale is named Trey Cooper, a handsome 30-year-old who brought his Great Dane to the casino. There are a lot of dogs around the casino as the Nevada State Dog Show is taking place. Jillian enters the Deline's dog in the competition. Monica and Danny meet with an 80-year-old woman named Dottie. Monica offers 3 million for Dottie's house in order to build a golf course. Things will become complicated when on the demolition site, construction workers find a skeleton. A CSI believes it could be the body of Seymour "Blue Jaw" Magoon, a member of a 40s gang called Murder Inc. Mike helps a couple who's "stuck" together. Jake seems to still be in Mary's life. Mike is still helping Danny to find information on the woman his father was dating before he died.
Horatio and the team are trying to figure out how to free an innocent young man after a harsh interrogation with Frank Tripp sends him to jail.
Dee Dee begins work as a sports agent, but clashes with a cocky co-worker. They are both upset when their boss forces them to work together to bring in a hot football player. Meanwhile, Adam recommends that Mona and Spencer follow his lead by signing up for an online dating service. They decide to write each other's profiles after having difficulty completing them on their own.
A sportscaster becomes a full-time dad when his ex-wife decides to accept a job out of the country and his teenage daughter, Breanna, moves in with him.
Darnell moves into the apartment across from Maya as they deal with control issues. Toni begins breastfeeding to help her case with Todd.
JT and Liberty seem to have relationship issues and some are bigger than others. Meanwhile Spinner goes after Darcy and is not only attracted to her but also to her message.
Gary De Silva suspects his wife, Sarah, is cheating on him, and turns to Vincent Gallagher for help. Vincent and Beth follow Sarah to a club and see her with another man. Vincent calls him to break the news, sending Gary into a frenzy.
After getting bad grades on his report card, Zack decides that he needs a way to get good grades without having to study. When Bob, a boy with Dyslexia, shows up in his class, Zack decides that he can pretend to have dyslexia so he can have more time on both tests and reading. Meanwhile, London beats Maddie at chess, and soon Maddie becomes obsessed at beating London at chess.
Doug and Carrie both have feelings of not being entirely popular at their workplaces, and both overcompensate to rectify the situation
Berta causes tension between Charlie and Alan, when she temporarily moves in with them
Regina and Oliver begin fretting over Ben's new obsession with comic books and his new slacker friends. So the two come up with a plan to end the situtation by setting Ben up on blind dates. Elsewhere, Lydia is convinced that her dog likes Stewart more than her and is none to happy.