Frankie's bickering parents visit for Thanksgiving.

Frankie takes a holiday job for the employee discount.

Frankie & Mike celebrate their 20th Anniversary.

Penny and Bernadette plan a bachelorette party for Amy.

Penny makes an astronomical discovery.

Sheldon goes to Vegas to win millions for science.

During the rehearsal dinner the night before the wedding, a panicked Chandler disappears. Joey is starring in a movie with a prestigious actor who has a regrettable spitting problem.

Joey encounters problems trying to get off the movie set to officiate the wedding. Meanwhile, Ross desperately searches for the missing Chandler as the girls distract an unsuspecting Monica.

The excitement of Monica and Chandler's wedding is diminished by the news that someone may be pregnant. Chandler's hopes of not embarrassing Monica on the dance floor are ruined by his slippery new shoes.

Speculation over the father of Rachel's baby leads to a misunderstanding when Joey finds a red sweater from a one-night stand Rachel had. Chandler and Ross search for the disposable cameras left behind at the wedding.

Walden's mother visits, dropping a secret about him as well as leaving Alan smitten.

Walden needs Alan and Zoey to help when Bridget and his mother look to wrest away control of his company.

Zoey wants Walden to take on a more clean-cut look. Meanwhile, Alan and Lyndsey reconnect.

When Walden feels Zoey is a bit stiff in the bedroom, Berta suggests a few of her marijuana brownies might loosen her up a bit.

When Max lands tickets to a music awards show in Los Angeles, she and Caroline meet rapper 2 Chainz during the cross-country flight on a private jet.

Frankie's bickering parents visit for Thanksgiving.

Frankie takes a holiday job for the employee discount.

Frankie & Mike celebrate their 20th Anniversary.

Penny and Bernadette plan a bachelorette party for Amy.

Penny makes an astronomical discovery.

Sheldon goes to Vegas to win millions for science.

During the rehearsal dinner the night before the wedding, a panicked Chandler disappears. Joey is starring in a movie with a prestigious actor who has a regrettable spitting problem.

Joey encounters problems trying to get off the movie set to officiate the wedding. Meanwhile, Ross desperately searches for the missing Chandler as the girls distract an unsuspecting Monica.

The excitement of Monica and Chandler's wedding is diminished by the news that someone may be pregnant. Chandler's hopes of not embarrassing Monica on the dance floor are ruined by his slippery new shoes.

Speculation over the father of Rachel's baby leads to a misunderstanding when Joey finds a red sweater from a one-night stand Rachel had. Chandler and Ross search for the disposable cameras left behind at the wedding.

Walden's mother visits, dropping a secret about him as well as leaving Alan smitten.

Walden needs Alan and Zoey to help when Bridget and his mother look to wrest away control of his company.

Zoey wants Walden to take on a more clean-cut look. Meanwhile, Alan and Lyndsey reconnect.

When Walden feels Zoey is a bit stiff in the bedroom, Berta suggests a few of her marijuana brownies might loosen her up a bit.

When Max lands tickets to a music awards show in Los Angeles, she and Caroline meet rapper 2 Chainz during the cross-country flight on a private jet.

Frankie's bickering parents visit for Thanksgiving.

Frankie takes a holiday job for the employee discount.

Frankie & Mike celebrate their 20th Anniversary.

Penny and Bernadette plan a bachelorette party for Amy.

Frankie & Mike spend the three day weekend with their kids.

Axl and Sue are enrolled in the same Life Skills class.

Frankie finds a new friend for Mike.

Sheldon visits his older brother Georgie in Texas.

Amy's parents and Sheldon's family arrive for the wedding.

Sheldon and Amy's honeymoon runs aground in New York.

Chandler and Monica leave for their honeymoon as Rachel prepares to tell Ross he's the father of her baby. Monica and Chandler become jealous of another honeymooning couple who get bumped to first class on the plane.

Monica and Chandler return from their honeymoon with stories of a couple they met on the flight back. Ross and Rachel disagree over who came onto whom when they hooked up and Ross reveals he has the encounter on videotape.

Phoebe dates a guy who works for Monica which causes a problem when Phoebe wants to dump him on the same day Monica plans to fire him. Joey sets Rachel up on a date, leaving Ross to worry about their future.

Monica and Chandler decide to throw a costumed Halloween party. Phoebe runs into Ursula, who's getting married the following week, and invites Ursula and her fiancé to the party.

A point of modern linguistic style comes between Meredith and Hank, who also guest-lectures at Mia's creative writing class; Becca and Karen both have a crush on a cool guitar teacher but Mia breaks both their hearts.

Becca's impressive musical performance at a rock concert leads to a romantic, booze-fuelled moment for Hank and Karen, but it doesn't last; Charlie's dalliance with his assistant is nearly discovered by Marcy.

Alan and Walden have to deal with Zoey and Lyndsey's antagonism towards each other when a storm traps them all at the beach house.

Walden's miffed that Zoey didn't reciprocate after he blurted out "I love you" when his jet hit violent turbulence. Alan thinks Lyndsey is drinking too much.

Caroline and Max pay a steep price for trying to remove a street performer from the entry of their shop.

Frankie & Mike spend the three day weekend with their kids.

Axl and Sue are enrolled in the same Life Skills class.