During a training exercise, a marine's parachute fails to open and he crashes into a parked car where two teenagers were making out. The NCIS team heads to the scene and has to determine if the marine's death was accidental or a murder.
Sean and Christian learn that they have to take a test in order to continue practicing. Sean and Megan visit a doctor to learn that there is nothing they can do for her. Mrs. Grubman returns to get an operation on her and her fiancé. Christian passes his test, but Sean walks out. Megan commits suicide. Julia finds out about Sean's affair with Megan.
In the middle of being blasted off again, James finds a bottle cap from his training days that starts everyone reminiscing about being Team Rocket trainees. Jessie was a problem trainee, unable to work with any partner for long. Meowth walked into Giovanni's office, asking to be made a Team Rocket field agent. And Butch and Cassidy were trainees, too—Cassidy was Jessie's constant rival. Drill Sergeant Viper ordered Jessie to start training with her new partner, James, and Meowth was assigned to their team after Giovanni lost patience with its incompetence. In their first team challenge, they had 24 hours to reach a target location in the wilderness, surviving on a loaf of bread and bottle of water per person. When Meowth ate all its food right away, James shared his food with Meowth. Jessie sniffed at such sentiment, but when they made camp that night, she reluctantly shared her own food with the other two. The next day, the trio had to cross a rickety bridge.
Nikki buys a burial plot for herself and Professor Oglevee from a shady undertaker. Meanwhile, Stevie and T hire a new singer for the band in order to replace Kim.
With Annie out of town, Eric is left alone to accompany Simon on his visit to the Board of Education to discuss early graduation. During the meeting, Simon bonds with his advisor when they realize that they're both preachers' kids. Meanwhile, Lucy catches Chandler kissing a beautiful blonde woman at church and she agonizes over whether or not to tell Roxanne; Detective Michaels tricks Kevin into babysitting his six-year-old granddaughter; Peter makes a deal with the school bully in an attempt to protect Ruthie and Cecilia agrees to watch the twins which leads to a confrontation with Simon.
Although Dade encourages him to keep quiet, Bosco tells Swersky everything that transpired with Maritza, Noble, the death of Willie G, and the shootout in Noble's hotel room, and confesses that he killed Noble after Noble pulled out a gun, Faith was shot by Maritza, and that he grazed Maritza's head with a bullet to keep her from killing Faith; wracked with grief that his wife has a bullet next to her spine, Fred attacks Bosco and threatens to kill him when he discovers that Faith became injured while she was helping her partner out of yet another jam; a critically injured Lt. Johnson, in excruciating pain and with only hours to live, begs Jimmy and Doc to ease his suffering; overwhelmed at the sight of Lt. Johnson's wife lashing out in heartbreak and anger, and her husband's horrific suffering and imminent death, Doc sadly helps out his boss one last time; Swersky has Maritza arrested when she refuses to tell him what happened during the shootout; Bosco learns that Noble was working f
Greg and Natalie are humiliated to hear that hooked on comics worked for Tom -- and that he wants to go to Comicon as his hero, Superman.
In the aftermath of disaster, the Mutant X team must deal with the death of one of their teammates, the disappearance of another, the return of Mason Eckhart, and the arrival of a mysterious mutant with an agenda of her own.
Marie instantly tries to get the upper hand in her relationship with her new daughter-in-law when Amy and Robert return from their honeymoon, but Debra steps in, determined to stop Marie's meddling once and for all.
A seemingly psychotic "Collector" simultaneously takes credit and blames Dylan for the fall of the Commonwealth. He also claims to be hosting (or holding captive?) the Triumvir Tri-Jema. The crew must decide whether to accompany Dylan on yet another odds-defying journey to save the Universe or to retire in relative safety.
Despite warnings from Charlie, Jake continues to feed seagulls on the deck and the birds invade the house. Meanwhile, Charlie thinks Judith is taking advantage of Alan, who keeps going to her house to fix things.
The body of a man involved in recovering sunken treasure is discovered pinned to the wall of his new cabin cruiser by a bloody spear fired from a speargun at close range.
Danny's friend Greg is found murdered in the desert, reporter is hot on the trail of a naughty senator, and King Arthur is riding through the casino.
The entire Abbot's family is turned upside down by the return of Dr. Linda Abbott (Marcia Cross, ""Melrose Place""), who has been practicing Eastern-based medicine in exotic locations around the world. Edna, who is blinded with pride, doesn't see her daughter's loneliness, and loses sight of her own life with Irv. But Linda encounters the most resistance from her brother Harold when she announces her decision to join his practice. Meanwhile Andy learns that some 'tweens may be practicing unsafe sex, and is shocked at their parents reaction to the situation. Finally, Bright asks Ephram to keep an eye on Amy whose odd behavior has everyone worried.
Aspiring politician Ron Brown shows up at Mona's door in search of votes, and takes a liking to her. Phyllis quickly pushes him to ask her out, and they agree to a date. Mona then learns that Big Dee Dee recently arranged a date for Dee Dee and Ron, who have been friends since childhood. The sisters are unsure about dating the same man, but their mothers insist that it will be all right (as it is unlikely that both will be compatible with Ron). Phyllis and Big Dee Dee treat the whole thing as a personal competition. Mona and Dee Dee like Ron, but decide that he isn't worth the potential damage to their relationship. They agree to do the ""mature"" thing and stop dating Ron, but each keeps seeing him behind the other's back.
After nine months of celibacy, Lynn becomes fed up and grows suspicious of Sivad. She contacts his ex-girlfriend in the hopes of gaining some insight into his behavior. Meanwhile, despite her debt, Toni is determined to acquire a $17,000 bag. Joan and William try in vain to convince her to moderate her behavior and live within a budget.
A very pregnant Eames reveals that she has offered to be a surrogate mother and carry her sister's child; a famous architect's promiscuity becomes the key to solving the murder of a promising young designer who was his closest competitor for a prestigious commission.
Lilly investigates a 1976 case involving a teenage girl who was beaten to death on a tennis court during a party at a plush estate.