When the gang goes to a black tie event at the Natural History Museum, Ted gets introduced to Zoey's husband, The Captain.
When Lightman investigates an explosion that killed six coal miners, he suspects foul play may be involved and goes below the surface to find the truth the FBI seeks the Lightman Group's help with another case.
Its election season, and in the midst of a tight campaign, an incumbent New Jersey senators campaign manager falls ill with liver failure and temporary paralysis. Cuddy pushes House to add a female doctor to his team by hiring brilliant third-year medical student Martha Masters in Thirteens absence.
Chuck and Blair decide it's in both their best interests to put the past behind them and end their vindictive games. Nate confronts Juliet after discovering a secret she has been keeping from everyone. Dan and Nate realize they both still have feelings for Serena.
Charlie and Alan try to set up Evelyn with Russell the pharmacist.
Jeff and Audrey finally settle on a surrogate. Meanwhile, Russell's mother, Bunny, comes to town.
Don has blown his chances with flatmate Sam and to make matters worse she has a new boyfriend. With no career, Don comes up with an elaborate story about a new job to try to impress her. Things finally appear to be going his way when a chance encounter with high-flying executive Marcus leads to a promotion. Of course being Don, it's not long before it all goes wrong.
When Danny's ex-partner is found dead at a Hawaiian luau the Five- team's investigation leads them to some dirty cops and a powerful cocaine cartel.
Rick unknowingly causes a group of survivors to be trapped by walkers. The group dynamic devolves from accusations to violence, as Rick must confront an enemy far more dangerous than the undead.
A reluctant Susan accepts Lynette's offer to be baby Paige's nanny Bree meets Keith's parents Renee makes a proposal that Lynette can't refuse Gaby fears that Bob might be trying to seduce Carlos after they become friends and Beth begins to question Paul's motives for returning to Wisteria Lane.
Bo's freelance work earns her a lead on someone who might know something about her mother... but the trail ends at Lou Ann, a death row inmate who claims not to know anything at all. Desperate to prove otherwise, and increasingly convinced Lou Ann is innocent, Bo uses all her Fae connections to try and bust her out of jail. When she has to admit defeat, Bo's goal switches to one of personal vengeance: to find Vex, the Fae that framed Lou Ann, and make him pay.
"Treehouse of Horror XXI" is the fourth episode of The Simpsons' twenty-second season. It first aired on the Fox network in the United States on November 7, 2010. This is the 21st Treehouse of Horror episode, and, like the other "Treehouse of Horror" episodes, consisted of three self-contained segments: In "War and Pieces", Bart and Milhouse discover a real-life board game that they must win to return home; in "Master and Cadaver", Marge and Homer go on a honeymoon on a sailboat, and rescue a mysterious castaway named Roger; and in "Tweenlight", Lisa falls in love with a vampire named Edmund. "Treehouse of Horror XXI" was written by Joel H. Cohen and directed by Bob Anderson. Daniel Radcliffe and Hugh Laurie both guest starred in the episode. The first segment references Jumanji, the second is a loose parody of Dead Calm and the third satirizes the Twilight novel and film series. The episode also contains references to The Office, A Clockwork Orange and Sesame Street. In its original airing on the Fox Network during the November sweeps period, the episode had a 3.7 Nielsen rating viewed in approximately 8.2 million homes. Critical opinion of the episode was mixed, with "Tweenlight" generally being regarded as the best of the three segments.
After getting a kid's balloon back, Skipper mentions something about The Big One. He explains he has been waiting for it to come for months and he hid some plans in a remote area of the zoo for when the big one comes. But it is revealed that they are building a children's zoo on the spot he hid the plans, so now they try to get the plans before The Big One Comes. But Skipper then starts acting like a news reporter. Can Skipper stop acting like a reporter, and can they get the plans in time before the Big One comes?
Nucky visits Chicago for the Republican National Convention, where he finds himself intrigued by the candidacy of Warren G. Harding over more established candidates. The D'Alessio gang moves in on Nucky's territory at the expense of Eli, who has been watching over his brother's affairs. Margaret finds herself entangled in Nucky's business affairs, while Van Alden struggles with his wife's desire for a child. Rothstein prepares for legal trouble over his role in fixing the World Series. Nucky asks Jimmy to return to Atlantic City to reinforce his position.
Dexter is called to investigate a horrifying crime scene; the Santa Muerte case leads to a violent standoff between Debra and the Santa Muerte killers.
Peter and Joe team up to execute a series of painful and humiliating Halloween pranks on unsuspecting family, friends and neighbors. While Brian shows Stewie the ropes of trick-or-treating, Meg sets out to attend her first high school Halloween party with high hopes for the evening.