After purchasing a coveted time machine prop from a classic 1960 film, the guys are excited about its arrival, but the object causes problems for Penny.
When Sheldon's twin sister Missy visits, Leonard, Wolowitz and Koothrappali become infatuated with her, and Leonard comes up with plan to eliminate the others.
Rachel convinces a delivery girl to give Ross her phone number to boost his confidence with women; Joey invites his grandmother to watch his TV appearance.
The entire family takes Haley out to a bar in commemoration of her 21st birthday; Claire attempts to get Haley to look at her like a friend instead of a mother.
Claire hates how the neighbors' yard looks with their hideous boat parked on it, so Phil makes a strike against them; Jay struggles to potty train Joe.
Dave and Calvin's mission to retrieve Gemma's stolen phone encounters an unexpected development; Malcolm and Marty move their belongings into their new home.
Calvin is pushed to make a physician's appointment after not going for nearly 10 years and is surprised when his doctor recommends that he get a colonoscopy.
Tina threatens Dave's amateur band when she takes over as lead singer; Marty decides to let his boss crash at his place and quickly regrets his decision.
SpongeBob decides to move back with his parents after a failed attempt to rebuild his home when it was destroyed; SpongeBob and Squidward create a pizza.
A sour Speed Meister sends a lemonade stand rolling through Builder Cove; Rubble & Crew build a bridge to help Crunchy the beaver get to the other side.
The turkey from the Thanksgiving feast flies away with Mayor Humdinger and his kittens; a strong wind sweeps up all the surfers in the windsurfing race.
The PAW Patrol tries to help Farmer Al gather his loose pigs; Ryder and the team investigate a haunted cabin that Jake wants to turn into a ski chalet.
Dr. Hamster has brought a giant ant farm and opens the ant farm's lid to show how they got in; nobody noticed they had escaped and started moving things.
The pups use their new vehicle, the 18-wheel Paw Patroller, to help locate Jake after he winds up lost in the South Pole after losing his equipment and phone.
Skye's favorite stunt pilot is making an appearance, but engine trouble causes problems; the Patrol helps get Farmer Yumi's farm ready for her wedding.
Marshall, who is stationed at the Lookout by himself, must respond to an urgent call on his own; Zuma and Everest help a family of deer stranded in the snow.
Rubble & Crew builds a better and safer roller coaster; the Bark Yard safety inspection is today, but Motor might go boom and it will cost a gold safety star.
Marshall performs some dinosaur dentistry with the help of an ancient geyser and his fellow pals; Francois and Cap'n Turbot are in Dino wilds for an adventure.
SpongeBob and Squidward try to sell Krabby Patties from a food truck in the darkest depths of the ocean; Pearl & Narlene have a whales' day out in the big city.
SpongeBob and the gang visit Atlantis, but when Patrick tries to take a picture of the world's oldest bubble, it pops and the Atlantean forces come after them.
SpongeBob obtains a magician's wand and causes mayhem; on Friday the 13th, Mr. Krabs' extreme superstitions become a disruption for everyone around him.
Mr. Krabs has SpongeBob and Squidward make the first successful Krabby Patty pizza delivery; Mr. Krabs tries to make even more money; Squidward takes a bite.
Rachel's self-absorbed sister, Amy, joins the friends for Thanksgiving dinner at Monica's; Joey forgets to show up for the Days of Our Lives cast float.
A pregnant girl from Ohio selects Monica to adopt her unborn child; Monica and Chandler lock out the gang when they arrive hours late for Thanksgiving dinner.
The gang plays a game of touch football on Thanksgiving; Joey and Chandler argue over who gets to date a model; sibling rivalry dominates Monica and Ross.
While reminiscing about past bad Thanksgivings, Chandler learns his toe wasn't "accidentally" severed by Monica; Chandler slips and tells Monica he loves her.
Sheldon has an epiphany when a song gets stuck in his head; Dave is invited over to Amy's for dinner; Wolowitz and Koothrappali obsess over a fan of their band.
In the aftermath of Sheldon's mother having an intimate evening with Leonard's father, the gang is left to deal with an uncomfortable morning the next day.
Penny tries to plan a surprise birthday party for a reluctant Leonard, but she gets sidetracked when Sheldon tries to live his fantasy in an electronics store.
Joey poses as a Porsche driver while trying to locate the car's actual owner; Ross and Rachel are forced to get a divorce when the annulment falls through.
Before moving, Chandler helps Joey financially by "losing" money to him in various games; Ross pretends to stay home with Ben to avoid helping Chandler move.
Ross, Chandler and Joey go on a ride along with Gary in order to distract Ross from Emily; Emily leaves a message for Ross that accidentally gets erased.
When Phil realizes that Luke is hitting his teenage phase of shutting him out, he gets Andy to be his new assistant; Gloria worries Joe is allergic to Stella.
As Valentine's Day approaches, Claire worries that Phil has more feelings for "Juliana" than for her; Gloria's sister visits, which halts Jay's romantic plans.
Calvin becomes jealous when Tina and Gemma have an unexpectedly odd situation arise in a revealing art class; Dave, Marty and Malcolm read a mystery novel.