Sheldon must find a way to keep a secret under wraps when he discovers that Penny is thinking about breaking up with Leonard, so he tries to intervene.
Janice questions the group as to whether any of them have ever slept together in the past, leading the collective of companions to reflect upon a period of time
Phil and Claire choose to go on a cycling tour through Italy before they become grandparents; Cameron and Mitchell confront Lily about some reading material.
Gemma faces the unexpected aftermath of her decision to fire one of the school's teachers; Calvin and his newspaper carrier get caught in a heated exchange.
Dave is stunned by Calvin's idea of camping when the two families go on a camping trip; Gemma and Tina meet a deceptively nice general store proprietor.
Calvin is brought to a surprise revelation regarding himself after the Butlers organize a memorial service for a cantankerous resident who passed away.
Spongebob and Patrick are launched into space after fooling around with the controls; Mr. Krabs goes crazy from the squeaky sound of Spongebob's new boots.
Rubble & Crew's favorite book series has new additions, but there's no room for them in the library; the pups have a surprise snack dispenser just for Rubble.
Pups rescue Francois from a water tower geyser; a baby anteater is stuck on a bucking RoboHorse; Pups rescue Ace & her special delivery for Chickaletta's party.
A robotic dinosaur comes to life causing the pups to have to find him, stop him, and then bring him home; the pups shoot their entry into a film festival.
George has hiccups; Daddy lost his glasses; the grandparents' new pet learns pig noises; Peppa and George play in the snow; Peppa and George play dress up.
Farmer Yumi's new Robo-Corn Plucker goes haywire; when Daring Danny X dresses as Adventure Bay's mascot, "Bird X," he gets carried away by a couple of eagles.
The Turbots are trapped in the jungle and they try to call the PAW Patrol; Chickaletta has laid an egg, but it rolled away and is heading through town.
Danny's rocket boosted pogo stick accidentally causes a fire, so it's up to the Air Rescue team to save Danny and stop the forest from going up in flames.
Phoebe and Max tell holiday stories to compete in the Thundermans Story Slam, but it's Chloe's story that makes them understand the meaning of the holiday.
Nobody in Bikini Bottom has heard of Christmas or Santa Claus; SpongeBob wants to bring Christmas to Bikini Bottom this year and his enthusiasm is infectious.
SpongeBob accidentally puts all the residents of Bikini Bottom on Santa's "naughty" list as part of one of Plankton's plots to get the Krabby Patty formula.
Monica buys a new bed from Janice's soon-to-be-ex-husband, "The Mattress King," but the wrong one is delivered; Rachel attempts to have Ross bond with her dad.
Chandler is about to buy Janice an expensive gift until he learns she still has feelings for her ex-husband; the gang pokes ugly naked guy to see if he's alive.
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.
A drunken Chandler fools around with one of Joey's sisters, but can't remember which one; Ross is suspicious about Rachel's job offer from a good-looking guy.
Ross becomes jealous when he thinks he catches Rachel's new coworker whispering sweet nothings in her ear; Joey attempts to teach a hard dance routine.
Monica's willpower is tested when she runs into Richard at the video store; Joey agrees to read "Little Women," while Rachel agrees to read "The Shining."
Sheldon's relationship with Stephen Hawking is threatened over a game of "Words with Friends"; Penny secretly enrolls herself in a class at a local college.
Howard and Raj try to solve the mystery of why Sheldon leaves every afternoon at 2:45; Leonard and Penny must deal with the jealousy in their relationship.
Sheldon tries to nurse a sick Amy back to health; Howard prepares for a huge upcoming fishing trip with his father-in-law in hopes that he will impress him.
Ross seeks solace at a party after a bitter fight with Rachel and ends up in the arms of another woman; Phoebe's date needs an interpreter to communicate
Cam must deal with a bully at the school; Jay has some technical issues during his video conference; the local mall holds a photo shoot for its new ad campaign.
Phil believes he found Pepper his dream home; in efforts to connect with Lily, Mitch and Cam receive an invite to an exclusive event for her favorite vlogger.
Dave wants to have a more important part in Calvin's annual barbecue, but Calvin's reaction signals there is more work needed to grow their relationship.