When a woman considers donating to the university, Sheldon wants Leonard to seduce her, causing him to think about how far he is willing to go for science.
Ross's new girlfriend seems to be nearly perfect until he visits her dirty apartment; Chandler helps Joey pick out a thoughtful present for Kathy's birthday.
Phil tries to help Luke prove he is responsible enough for a bicycle, but a hot neighbor causes trouble; Mitchell and Cameron take Lily to Mommy and Me class.
Jay and Gloria invite everyone over for barbecue and football, but an earlier incident at school and the utterance of an unflattering label make things awkward.
Mr. Krabs has Squidward direct a commercial for the Krusty Krab; Squidward quits his job after Mr. Krabs accuses him of stealing the first dime he ever made.
When the Cheetah swipes the PAW Patroller to fulfill her nefarious plan to destroy the jungle, the PAW Patrol must get a brand-new vehicle and stop her.
Mayor Humdinger tricks people to sail icy waters in search of an Antarctic treasure; the pups need to rescue Ryder and Alex when their ATV gets out of control.
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.
Mayor Humdinger disrupts Adventure Bay with his kitties, Katie and the pups must rescue the town; Cap'n Turbot loses his glasses and creates chaos in his path.
Winnie Winnington goes looking for a frog to enter in a frog-jumping contest; the pups must help a salmon get to the ocean; Alex gets stuck on top of a dam.
Sid Swashbuckle pretends to be a ghost so that he can take Danny's new skateboard; an alien boy zaps Mayor Goodway's party guests into floating space bubbles.
Lola must spend quality time with Bernie; after Lynn sees cousin Shiloh's athletic skills, she gets overly competitive to prove she's the greatest of all time.
After their battle to procure a rare cookie, Jack feels more part of the family; the Groom & Board gets a bad review, so Lily tries to find the culprit.
Squidward's house becomes infested with a mail-order flea circus; Squidward fakes being sick to get out of work, but SpongeBob arrives to take care of him.
Ross must decide whether to continue a long distance relationship; Chandler sets Rachel up with a coworker; Phoebe tries to write the perfect holiday song.
Sheldon has a difficult time coping when he realizes the fact that Leonard is the center of their social group, so he sets out to find a new group of friends.
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.
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.
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.
Calvin worries Tina spends an inordinate amount of time with a charming minister; Marty is stunned when he encounters his chaotic new upstairs neighbor.