The 1998 case of a female drug smuggler is re-opened. The woman was involved with Scotty at the time he was working undercover on a high-profile drug case, and he has been keeping it a secret from the team for all these years.
When Peter wins a maid for a week as a prize on a game show, Quagmire gains an interest in her, and they eventually marry. Quagmire, stricken with his bachelor ways, tries to get out of the marriage. Meanwhile, Lois stops breast-feeding Stewie, who, as a result, goes through withdrawals.
As Bill prepares for the opening of a new addition to his hardware store chain, he receives bad news about his father's health, and also deals with trying to balance the needs of his three wives.
Carlos and Gabrielle decide to adopt, but the process comes to be a lot more difficult than either had expected. Susan finally has her surgery as she finally has medical insurance. Meanwhile, a showdown between Bree and her son Andrew lead to a full out war between mother and son. Also, a dying Noah Taylor learns more about Paul Young and his biological grandson Zach. Lastly, Tom is having more difficulty at the job when having to take orders from his boss and wife Lynette.
The family is on a nature walk through “Carl’s Dad Caverns,” when Homer tries to get a piece from a stalactite. This results in the family falling through the cave floor and winds up with Homer getting stuck in the ceiling of one of the lower chambers of the cave. Marge, Bart and Maggie go off to find help, while Lisa stays behind and tells her father a story to pass the time. Her story involves running from a bighorn sheep and into Mr. Burn’s mansion. The pair evades the tenacious sheep by finding refuge in the mansion’s attic, where Mr. Burns tells her the story of how he came to work at Moe’s Tavern by losing a scavenger hunt with a rich Texan. While there he learned (and tells to Lisa) the tale of the Moe’s treasure. The stories within stories culminate in the fate of the treasure being determined in the cave.
Gene Pontecorvo makes a final break from the mob life, while Junior's paranoid delusions could be the end of Tony.
The doctors are up to their necks in their usual levels of drama. Meredith is dealing with the backlash of sleeping with George, George and Burke are bonding in ways that bother and creep out Cristina, Cristina gets stuck on diaper duty, Bailey gets involved in a case even though she's still supposed to be on maternity leave, Addison and Derek have a talk, and Izzie is still flaking on Alex for Denny Duquette, the heart patient who didn't get a heart. In the patients-of-the-week department we've got a very pregnant woman, a hockey player who desires medically unnessasary amputation, and a woman with a fork in her neck who happens to be dying and has a struggling marriage.
A bomb has detonated on a Boston train, leaving many victims dead or injured. A lot of the victims are school aged children which triggers bad memories. What is worse there is another bomb…somewhere.
A man is found dead at an exclusive rehabilitation clinic, having named the centre's founder as his beneficiary. DI Mayo and his team investigate whether the death was suicide or murder.
A teenage boy finds himself recruited as a member of an elite team of pilots by his father.
Its February, and its record temperatures of 90 degrees. Luckily, Jazmine has her lemonade stand open, and does pretty well. Her success catches the eye of corporate tycoon Ed Wuncler. Despite several warnings from Huey, Jazmine then learns the true meaning of "capitalism" when Wuncler decides to buy the stand.
Romdo is no longer a safe haven for Vincent. He is trying to avoid capture by the authorities. As he flees he comes across the infected AutoReiv Pino. Pino then shows him the way to escape from Romdo to the outside world. Re-l struggles to contact Vincent and uncover the true nature of his involvement with the Proxy.
Roulette returns with a new version of Metabrawl...and plans to use the Justice League to boost her ratings.
Ben gets revenge on an amusement-park attendant who said he was too small to go on a ride.
Savanti Romero plots his revenge against the Turtles and Renet after they had him banished to the Cretaceous period. Using his magic to manipulate time, Romero lures the Turtles and Renet into a trap to obtain the time sceptre.
SG-1 discovers the village of Camelot on an alien world, and must face Merlin's security system when they go in search of an Ancient weapon. Elsewhere, Earth and its allies assemble a fleet when a working Ori Supergate is discovered.
Zoey and the gang are going to Logan's beach house for Spring Break. There they are testing Logan's father's new show called Gender Defenders. Meanwhile, Chase sends a text message by mistake to Zoey confessing his love for her.
Annabeth tries to build a case against a convicted criminal whom she put in jail years earlier after he is arrested for robbing a jewelry store. After he is arrested for robbery, the D.A.'s office learns that during the convict's escape from jail he murdered a guard and kidnapped a young woman whom he has held hostage for a year. During the investigation, Annabeth discovers inconsistencies in the kidnapped woman's story and uncovers a secret causing her to question who is really to blame for the prison-break and robbery.
Red uses Harold as bait as he hunts for the elusive Sasquatch. The men play against a team of kids in an indoor soccer game. Red cleans a sink with gunpowder. Bonnie tries to guess the word 'man' in the Word Game. Red builds his own fuel-efficient smart car. Red devises a way to fish when you're a long way from the lake.