As mysterious metal pods appear, picking up the mutants one at a time, Cerebro detects a new mutant in Hawaii: Alex Summers - Scott's believed to be deceased brother.
A serial killer who picks up passengers in a cab and then murders them stalks the city; Cassidy struggles with whether she wants to continue to be a cop.
Angelina finds a butterfly and takes it home. Henry lets it loose.
Angelina wants to be the new Sunbeam but the part goes to little Henry. Angelina must overcome jealousy and help Henry or he will lose the part.
Lizzie falls in with a bad crowd when she befriends "bad girl," Angel, at school.
It's career day at Pokey Oaks and the Professor comes with a time machine and explains how he got into science and created the Powerpuff Girls.
When Dib finally manages to be permitted to present his findings on Zim to the Swollen Eyeball Network, he believes he will be able to put an end to Zim’s schemes once and for all. However, when he discovers that he needs his father’s permission and since his father is busy working on his television show, Dib must venture into the studio where his father is in order to attempt to get the signature he needs; though he soon discovers that speaking to his father isn’t going to be as easy as it should be.
Ms. Bitters is assigning students their mentors for Career Day through the use of an aptitude test and a machine. Both Dim and Zim attempt to get their desired professions on the test, in which Dib manages to get paired with a Paranormal Investigator while Zim gets stuck working at a fast food facility. However, when Zim misinterprets the 8 billion served sign and thinks that the individuals in charge of the company are the leaders of the planet, he becomes dedicated to his job in hopes of being promoted to Lord of All Humans. However, thanks to the alignment of the planets, Zim is about to go through some uncontrollable changes that could jeopardize his mission; which Dib is looking to exploit, though both Zim and Dib find their situations to go much different than they anticipated.
While deeply disturbed that his son, Lt. Steve Sloan, is falling in love with a woman who is a dead ringer for his murdered former girlfriend, Dr. Mark Sloan begins watching his neighbors through binoculars and becomes convinced that one of them is a murderer.
Disclosures about politician Joe Connelly disillusion Syd, who's still battling a duplictious drug company; the Robbie-Tina romace runs a rocky road.
Observed by an FBI psychiatrist, the detectives uncover a horrifying motive for the slaying of a software company employee by a fired colleague when they learn of the suspect's bizarre relationship with his overbearing mother and a strange sexual fetish called piquerism.
Paranormal-studies major Miles spots a flying car and gives a class presentation on it, but the students are less than thrilled with his UFO sighting.
Maggie contests Abby's attempt to institutionalize her. Weaver treats a few bizarre patients. When Legaspi returns to work after being exonerated of sexual harassment, Weaver tries to reconcile with her. Benton injures his hand while transporting his former teacher to the hospital and must contend with the teacher's wisecracking elderly buddies.
Hearing of ancient relics that allow the wearer to control any Pokémon, Jessie, James, and Meowth are preparing to crash an excavation to dig up the treasure of a lifetime!
Maya has a one night stand with a guy who says he's a doctor and moving to Spain. However, they're both surprised when he turns up as Blush's new creative consultant the next day. Meanwhile, Elliott becomes obsessed with getting Finch to do a good deed.
The evil Brotherhood plots to sabotage Cole's relationship with Phoebe in an attempt to turn him back to evil. Meanwhile, Piper's power develops with some explosive results.
Monica and Chandler are getting married in four weeks and have to write their vows, but neither has a clue what to say, so they reflect on their past. In the end, the only real problem is who will be saying the vows first.