TV Guide Nickelodeon Thursday

Leonard is forced to choose between his new girlfriend and his long-time friendship with Penny; Howard drives Sheldon crazy with a magic trick he showed him.

Chandler and Joey refuse to turn off their television after discovering a free porno station; Phoebe discovers that she's having triplets.

Phoebe's decision to name one of the triplets after either Joey or Chandler causes chaos; Ross is concerned when Susan and Emily hit it off.

Monica and Rachel are tired of their new apartment, so they try to bribe the boys into taking it back; Ross asks Emily to marry him, much to Rachel's chagrin.

Annoyed at Joey's constant snoring, Chandler sends Joey to a sleep clinic; Monica is reluctant to remove Emily's wedding dress after trying it on.

The whole family supports Manny in his fencing ambitions, but Jay's enthusiasm triggers an old wound for Mitchell; Phil tries to find Luke's hidden talents.

Claire decides to surprise Phil with a really great present, only to be surprised herself; Cameron and Mitchell go out for a night on the town with a friend.

Phil and Claire plan the ultimate birthday party for Luke, but Cameron's choice of clown costume winds up sending someone to the hospital.

Gloria is unhappy when Jay meets Manny's father; Claire calls firemen to help Phil with his kidney stones; Mitchell and Cameron sleep train Lily.

Claire finds a dirty picture on the computer; Gloria doesn't care for Jay's life-sized dog butler statue; Cameron is pulled into the gardener's woes.

Mitchell gets Jay to start noticing things that make it seem like one of his old friends might be gay; Gloria gives Manny's date a makeover.

Dave offers to help determine why Calvin's employees are quitting are en masse; Marty schemes to get a date with his new neighbor.

SpongeBob and Sandy come across a rough and tumble hangout for real rugged people called the Salty Spitoon; Squidward's school rival comes to Bikini Bottom.

When Ryder and the pups are knighted by the Princess of Barkingburg, an ex-Knight gains control of a dragon and attacks the castle.

When the Duke and Claw use a magic cauldron to put the people of Barkingburg to sleep, their plan backfires when the enchanted fog works on Sparks.

A Junkyard Kitten's home is destroyed and Rocky bites off more than he can chew when he invites the kitten to stay at the Lookout overnight.

Everyone finds out that Mr. Bull and Mrs. Cow are getting married; everyone is getting ready for Mr. Bull and Mrs. Cow's wedding; it's the day of the wedding.

Rubble & Crew build the perfect place to show off River's ever-changing photography projects, Builder Cove's own art museum; Farmer Zoe has a new goat.

Cafe Carl's kittens cause construction chaos in the Bark Yard. Can the crew create a conclusion to the cat catastrophe?

Rubble & Crew want to help open a new restaurant for everyone; when Grandpa Gravel is feeling under the weather, the Crew step in to make his signature soup.

Skye, Liberty, Everest and Aspen head off on a road trip in the Adventure RV to attend a desert concert by their favorite Pop Star, Sierra Sparkle.

Mayor Humdinger babysits his new friend's children, but trouble arises; when Mayor Goodway and Mayor Humdinger accidentally get locked in a greenhouse.

Ryder and the pups get called to Adventure City when their biggest rival becomes mayor and starts causing chaos all over the metropolis.

Gargamel turns himself into a snail so Farmer Smurf will bring him back to the Smurfs' Village; Blossom leaves her village and moves into the forest with Wild.

A surprise portal brings Sonic to a world covered in ocean water where his friends are a band of pirates and needs their help to find another Prism Shard.

After watching a scary robot movie, SpongeBob becomes paranoid starts to believe that Mr. Krabs is actually a robot; SpongeBob and Patrick adopt a baby clam.

Squidward spends the whole day with Spongebob because Spongebob only has one day left to live; Plankton tries to steal the Krabby Patty formula again.

In this fitness variety show, Patrick learns how to exercise; a family of dummies move into the Star home.

Sheldon J. Plankton creates a new type of gas that inadvertently turns all of the Krusty Krab patrons into young children.

Squidward reads SpongeBob's diary out loud in the Krusty Krab; After SpongeBob fails yet another driving test, Mrs. Puff gets creative.

After getting a speeding ticket while trying to run away from SpongeBob, Squidward is forced to attend the same boating school as SpongeBob.

SpongeBob builds a pool and Squidward resists taking a swim; Mr. Krabs must settle accounts with the Goobfather after he adds Patty Whips to the menu.

Squidward receives an invitation to perform in a play at the Krusty Krab; SpongeBob and his friends go to a cowboy rodeo deep in the heart of Texas.

Emily is less than pleased with Ross' plans to invite Rachel to their wedding; Rachel admits her true feelings about Ross' wedding.

After Ross chooses Joey as his best man, Joey decides to throw a wild bachelor party that ends with a stripper stealing the wedding ring.

The friends head to London for Ross's wedding; Chandler is annoyed when Joey buys a ridiculous hat while touring London; Rachel decides to attend the wedding.

Rachel crashes Ross's wedding in order to disrupt the proceedings; Joey gets homesick; A drunk Monica and Chandler end up sleeping together.

Ross believes that Emily will fail to show for their honeymoon, and makes the mistake of inviting Rachel to avoiding wasting money on a ticket.

Chandler accidentally kisses Monica in front of Phoebe and Rachel and then must kiss them to cover it up; Rachel finally tells Ross her feelings for him.

The guys take joy in reminding Howard that he is the only one in the group who is not a doctor; Raj becomes Sheldon's new roommate.

After spending the night with Raj, Penny worries that she may have hurt her relationship with her friends; Sheldon becomes the paintball team leader.

The guys go on a quest to track down the culprit responsible for robbing Sheldon's online game account, but their juvenile actions make Priya angry.

Sheldon and Amy decide to experiment on their friends by spreading gossip like wildfire; Howard takes a big step in his relationship with Bernadette.

Priya decides to use her lawyer skills to pick apart the roommate agreement, thus putting Sheldon in his place; the girls decide to take Sheldon out dancing.

Phoebe gives birth to triplets and asks her half-brother if she can keep one of the babies; Joey's "sympathy pains" turn out to be kidney stones.

Joey thinks he's hosting a telethon for PBS, but turns out to be a pledge-taker; Phoebe, trying to perform a selfless deed, unknowingly donates money to PBS.

Ross tells Rachel that he can't see her anymore if he wants to get Emily back; Joey finds out about Chandler and Monica and they swear him to secrecy.

Monica and Rachel think that Bigfoot has moved into their building; Emily and Ross end their marriage after Ross refuses to end his friendship with Rachel.

Claire feels inadequate after an old friend visits; Jay has an unsettling moment in the locker room with Cameron; Mitchell helps Gloria with legal issues.

Phil and Claire decide to break with their usual Valentine's dinner date and opt for a role play excursion; Jay and Gloria clash over ideas for romance.

Phil tries to keep his fears at bay while underneath the house; Haley takes her driver's test; Cameron and Mitchell brunch with a pediatrician.

Phil invites his old high school girlfriend over; Jay accidentally kills Manny's pet turtle and tries to cover his tracks; Mitchell stands up to his boss.

Phil and Claire tackle school projects; Manny joins in as Jay and Mitchell go meteor watching; Gloria and Cameron have some bonding time together.

Claire attempts to get a new product for Phil's birthday; Mitch tries to toughen up; Cameron helps a neighbor; Jay faces Manny and Gloria in chess.