Tia Landry and Tamera Campbell are twins separated at birth who learn of each other's existence and come together as teenagers.
The actions of Hugo and Merton inadvertently release the Pleasantville strangler, a spirit able to body-hop, and he's gunning for Tommy.
When Zelda shares her suspicions that Sabrina's Vice Principal Mr. Kraft will be proposing marriage at an upcoming dinner, Sabrina casts two silence spells - one for her and one for Hilda – resulting in everyone being sent into a silent movie. While in it, Harvey drops by and proclaims his love to Sabrina, only to discover she can't say it back because of the spell.
A lawyer looking to convict a Nazi war criminal gets help from a mysterious time traveler who is able to procure evidence from the place of the crimes: Auschwitz concentration camp in 1944.
Sheppard and Ballard investigate a teenage girl's murder, while Munch's fiancée asks him to settle a dispute between ex-lovers.
While Cory stresses about his future marriage, Topanga's parents reveal some unanticipated news that they are on the verge of separating.
Nash and company, along with Jake Cage, catch three escaped convicts to save the SIU. Harvey has fathered a child with Anna; Evan cheats on Cassidy; Nash and Caitlin finally consummate their relationship.
Frank chases a copycat serial killer who somehow perfectly imitates the crimes of the executed serial killer the pursuit of whom almost drove Frank insane. Watts offers to help Emma's ailing father if she joins the Millennium Group.
Paul donates a new roof to Syd's clinic. An old friend, Nick from the DA, warns her against further involvement with Paul. Robbie suggests a local TV commercial for the Barkery. Jackie, 14, seeks help at Syd's clinic alone.
Martin sees Donny buying an engagement ring for Daphne and, while relaying the information to Frasier, accidentally tells the bride-to-be herself. When Niles finds out, he is absolutely devastated.
The ER docs tend to three teenagers who were in an accident on the way to their senior prom. Lucy comes into the ER to work but is extremely tired. Greene and Carter treat the most severely injured, a boy suffering from third degree burns over 80% of his body. Benton receives the ER trauma fellowship. Carter becomes slightly suspicous when Lucy picks up randomly. Carol finally tells Doug about her pregnancy; Kerry also figures it out. Mark and Elizabeth draw closer. Carter later overhears Randi telling Lucy that her prescription is ready, he questions her and accuses her of been on speed, Lucy confesses she has taken Ritalin for ADHD since the 5th grade. Carter objects and recommends that she stops immediately as she is 24 and shouldn't be taking medicine for hyperactive children. Lucy tells Carter she will think about it but he shouldn't interfere in her business. "FBI agents" bring in a shot stripper. Carter removes a live cockroach from a patient's ear and freaks-out.
Team Rocket has engine trouble and lands on an island where the natives are waiting for the Great Meowth of Bounty to arrive and fulfill an ancient prophesy.
The wacky escapades of brothers Shawn and Marlon Williams, along with their wise but eccentric father.
Dr. Mark Sloan has a knack for getting into trouble, negotiating the twists and turns of mysteries and solving crimes with the help of his son, Steve, a homicide detective.
A defrosted Holmes teams with a robotic Watson and a female Inspector Lestrade to stop the criminal rampage of Moriarty's clone.
Joey seems to have finally hit big when he gets offered a lead part in a movie shooting outside of Las Vegas. However, when Chandler begins expressing doubts about the film's legitimacy, it causes a rift in their friendship.