Dexter must buy time to protect himself when Debra's investigation brings the department one step away from identifying Arthur as the Trinity Killer; Rita confides in Dexter, but is disappointed in the result.
Hannah assumes that she will take to voiceover work like a duck to water. Jackson is tired of Robby treating him like a child. Rico outfits the Surf Shack with high-tech equipment.
After seeing the OutRider, the man who stole his wife, pass through the Second World, Dr. Orpheus is determined to do the same. Meanwhile, Hank takes Dean to the mall to teach him how to talk to girls, and Triana has a life-altering discussion with The Master.
Upset that she made her friends mad, she runs back home without telling anyone. Her family greets her happily, not having known that she ran away because she told them that she was on an early Winter break. But, Ichigo quickly tells them the truth after her mom hangs up the phone and tells them her plans to transfer from St. Marie. The next day, Ichigo and her family visit her deceased grandmother's pastry shop, now run by her uncle. Ichigo and her sister help their uncle make sweets. After discovering that Vanilla followed her and remembering the happiness her grandmother's sweets brought her, Ichigo decides to go back to St. Marie. Her uncle gives her grandmother's recipe notebook and she heads back to school, where she finds the Sweets Princes waiting for her to apologize for what they said to her.
War Machine teams up with Iron Man when Doctor Doom, Crimson Dynamo, and Melter band together in a plot to eliminate Iron Man. Meanwhile, Wolverine and Reptil face off against Abomination and M.O.D.O.K. in a game of golf.
Otis convinces his college buddies Donner and Blitzen to stop by the barnyard on Christmas Eve. During the visit, Otis accidentally gives Santa a cup belonging to Freddy, who is sick. When Santa comes down with Ferret Fever and can't finish his rounds in the county, which turns out to be his last stop on his Christmas Eve rounds, then Otis and the animals vow to make toys and deliver them by midnight to save Christmas. Meanwhile, Snotty Boy, not knowing he’s on the naughty list, really wants a Red Rider BB Taser that Santa doesn't bring him every year. So he sets a trap for Santa to make sure he brought his present.
Nicola Murray and her team are desperate to find a major sports personality to be the face of DoSAC's new Healthy Choices campaign. Malcolm's away on holiday and doesn't want to be disturbed, so they take advice from Steve Fleming, who's back on the scene as the PM's new fixer. Is Steve really as nice as he seems? Everyone knows Malcolm never takes holidays, so what's he up to now?
Live from New York, it's... Fred Armisen, Bobby Moynihan, and Kristen Wiig! Sketches include "Obama and the Salahis," "Carter 'n Sons," "Vagisil Superstars of Bowling Tournament 1989," "The Situation Room," "Shy Ronnie" (Digital Short), "Gossip Girl: Staten Island," "10th Annual Kickspit Underground Rock Festival," "Virginaca Hastings at Barney's," "UPS" (two parts), "Late Night with Chris Hansen," and "NASA Recruitment Office." Rihanna performed "Russian Roulette" and "Hard" (featuring Young Jeezy).
Burt the elephant asks the penguins to help him break out of the zoo.
Marlene catches a glimpse of Fred the squirrel and falls in love at first sight.
Bella has an age crisis as her birthday approaches; Sophia plans a surprise party. Meanwhile, Maya and D discuss training together again; Cassia and Bella rekindle their friendship; and Avi makes Sophie an offer she can't refuse
Zedd falls victim to a mysterious spell that strips him of his memories and his old age, causing him to believe that he must replace Richard with a new Seeker.
Chum Chum shows Fanboy a time of day called Night-Morning (midnight). Fanboy invites the whole class over to party, but it doesn't seem as fun to them as Fanboy and Chum Chum do.
Fanboy, Chum Chum and Kyle get Kyle's Scrivener Elf to write fake excuse notes to get out of various classes.
Carly and Sam agree to help up and coming comedians Fleck and Dave make a contest-winning video, but when the two comedians fight and choose to end their friendship, Carly and Sam feel responsible. They try to patch things up between the two, only to find the problems ring familiar. Carly and Sam take sides and begin to fight.
Alvarr is determined to allow magic to be used gain and destroy Camelot. Alvarr needs to reclaim the Crystal of Neahtid to make his plan work. Alvarr and Morgana try to get their hands on the crystal and use a druid boy to help them. Merlin is surprised when he finds out the real power of the crystal.
Medical supplies are desperately needed for a crucial Republic battlefront. While the Jedi Knights transport Poggle the Lesser as a prisoner to Coruscant, the Padawans Barriss Offee and Ahsoka Tano are dispatched to escort the medical frigate to its destination. When Geonosian brain worms take control of the clone troopers aboard their supply ship, Ahsoka and Barriss must battle to stop the vessel from unleashing the deadly plague upon the galaxy.
Samples of a lethal viral disease vanish, a dire development that pushes Allison to tap into her extrasensory ability to foil a possible large-scale bioterrorism attack. Meanwhile, Scanlon prepares to pop the big question to Lynn (Tina DiJoseph), but Bridgette's visions indicate that their relationship could meet an ill-destined end