Moira's campaign takes a turn when some of her lawn signs mysteriously disappear. David and Alexis must work together to get David's boss out of legal trouble.

Suzie makes a deal with God - if she promises to be the perfect wife and mother, please can everything go back to how it was?

Returning home for her little sister's wedding, Suzie struggles with her estranged parents and starts to question if Cob is now having an affair.

Charlie finds himself re-examining his wild ways after an old friend dies during a visit.

Alan finds himself attracted to his receptionist, while Charlie and Jake compete for a waitress.

Who's to blame when Violet and Gregory break up?

Christy's lawyer dream is in danger.

Bonnie and Adam's relationship is tested when he moves in with her and Christy for a few weeks.

Chaos ensues on Mike & Molly's wedding day.

Mike is inspired by their honeymoon to change his life and travel the world, while Molly worries how their friends and family managed without them.

Mike & Molly take care of Vince when he throws out his back.

After driving to Vegas to get married, Penny struggles with Leonard’s confession that he kissed another girl. Also, Sheldon doesn't know how to act after Amy pushes pause on their relationship.

Leonard confronts the woman he kissed on the North Sea in an attempt to set Penny's mind at ease. Also, Sheldon films a special episode of 'Fun with Flags' after his breakup with Amy

The guys' science skills are put to the test when they get a flat tire during Leonard's bachelor party weekend in Mexico. Also, the girls force Penny to finally tell her family that she eloped with Leonard.

Ross plans a surprise for Monica and Chandler's wedding that is less than desirable. Joey tells a cast member she will be killed off so his character can survive and Phoebe and Rachel fight over a guy in Central Perk.

Joey gets ordained through the Internet so he can officiate Monica and Chandler's wedding. While trying to help out Joey with the service, Monica reveals something about the London trip that leaves Chandler floored.

Monica regrets telling a woman about a discount bridal shop when they end up fighting over the same dress. Meanwhile, Joey and Ross discover they're dating the same girl.

Nominated for an award, Joey resorts to theft when he doesn't win. A student convinces Ross he failed his midterm because he's in love with Ross and Monica realises Chandler will be the last man she'll ever sleep with.

Who's to blame when Violet and Gregory break up?

Christy's lawyer dream is in danger.

Bonnie and Adam's relationship is tested when he moves in with her and Christy for a few weeks.

Chaos ensues on Mike & Molly's wedding day.

Mike is inspired by their honeymoon to change his life and travel the world, while Molly worries how their friends and family managed without them.

Mike & Molly take care of Vince when he throws out his back.

After driving to Vegas to get married, Penny struggles with Leonard’s confession that he kissed another girl. Also, Sheldon doesn't know how to act after Amy pushes pause on their relationship.

Leonard confronts the woman he kissed on the North Sea in an attempt to set Penny's mind at ease. Also, Sheldon films a special episode of 'Fun with Flags' after his breakup with Amy

The guys' science skills are put to the test when they get a flat tire during Leonard's bachelor party weekend in Mexico. Also, the girls force Penny to finally tell her family that she eloped with Leonard.

Ross plans a surprise for Monica and Chandler's wedding that is less than desirable. Joey tells a cast member she will be killed off so his character can survive and Phoebe and Rachel fight over a guy in Central Perk.

Joey gets ordained through the Internet so he can officiate Monica and Chandler's wedding. While trying to help out Joey with the service, Monica reveals something about the London trip that leaves Chandler floored.

Monica regrets telling a woman about a discount bridal shop when they end up fighting over the same dress. Meanwhile, Joey and Ross discover they're dating the same girl.

Nominated for an award, Joey resorts to theft when he doesn't win. A student convinces Ross he failed his midterm because he's in love with Ross and Monica realises Chandler will be the last man she'll ever sleep with.

Christy considers giving up her dream of becoming a lawyer when Bonnie's ex-girlfriend, Jeanine offers her a lucrative job in real estate.

Bonnie worries she's become undesirable to Adam.

Roscoe is caught smoking pot.

Molly's upset that all her wedding pictures look terrible.

Mike & Molly start trying for a baby.

Mike is put in an uncomfortable situation when his mom starts dating his boss.

Sheldon learns of an impending change in his living arrangements and decides to revert back to 2003, a simpler time before he met Leonard and Penny.

The guys take a fencing lesson from Barry Kripke and Sheldon finds himself in an awkward position when Kripke expresses interest in Amy.

In the midst of a nation-wide helium shortage, Sheldon and Leonard take desperate measures to get the supplies they need. Also, Penny and Bernadette download a dating app on Amy's phone to try and find her a new man.

Joey auditions for a big role which will require him to appear naked but the part calls for an uncircumcised man. Rachel and Phoebe plan Monica's shower and Ross finds his attraction to his visiting cousin unsettling.

A college friend with whom Rachel shared an embarrassing and passionate moment shows up at Central Perk. Chandler and Ross argue for possession of Val Kilmer's tuxedo and Joey drives Monica crazy over the wedding schedule.

With Chandler and Monica dealing with their own problems in writing their vows, they turn to memories of past events. In the end, the only problem is who will be saying their vows first.

Monica's Porsche shows up again and causes conflict when Rachel finds out she's the only one who hasn't driven it. Meanwhile, Chandler and Monica go off to Vegas to invite Chandler's estranged father to the wedding.

Two worlds collide when geeky PhD student Amina finds herself confronted by punk band, Lady Parts!

Mandy tries to prove she’s financially responsible after Jim and Georgie call out her poor spending habits, and Connor’s new girlfriend needs a place to stay.

Alan continues to believe that he is responsible for Judith's pregnancy. Meanwhile, Charlie is convinced he knows the reason behind Jake's bad mood.

When the birthday party she throws for Alan is met with indifference by his family, Melissa feels he's underappreciated and offers him the chance to live with her and her mother.

Johnny and Moira go out for their anniversary and run into a couple they knew from their former life, while Alexis and David attend Mutt's annual barn party, making up with some friends, and making out with others.

Molly's upset that all her wedding pictures look terrible.

Mike & Molly start trying for a baby.