Frankie uses Brick to snitch on Sue and Axl.

Mike's brother is getting married.

How the Hecks spent their summer.

Sheldon plans a special themed dinner for Amy's birthday.

Sheldon and Amy use science to choose Best Man & Maid of Honour.

Penny helps Sheldon figure out his next scientific move.

Phoebe's old flame David visits from Russia for an evening of romance. Rachel and Chandler swipe deliveries of a particularly tasty cheesecake from their neighbour's doorstep.

Rachel and Tag's first night together is put on hold when they realise they forgot to overnight an important package. Ross and Joey are stuck on the roof and Phoebe can't disable a relentlessly beeping smoke alarm.

On her first day as a telemarketer, Phoebe encounters a distraught man who is determined to end his life. Monica and Ross discover their parents are selling their house and Rachel breaks Rosita, Joey's favourite chair.

When Rachel turns 30, the gang reminisce about their experiences with the big 3-0. Phoebe discovers she's 31, Ross buys a sports car to look cool, Monica gets drunk in front of her parents and Rachel breaks up with Tag.

Depressed after receiving his divorce papers, Walden cheers up when he meets a woman who looks very similar to Bridget.

Walden hires Evelyn as his interior designer but Alan fears she may have ulterior motives. Jake crushes on his chemistry tutor, who in turn has a crush on Walden, and Alan can't stop reading Charlie's old journal.

When Walden sells Charlie's piano, Alan goes off the deep end and starts channelling his inner Charlie.

After being released from the mental hospital, Alan is faced with a number of shocking events that test his mental stability.

A relaxing getaway for two becomes an awkward vacation for three when Max, Caroline and Andy spend a weekend together in a cabin in the woods.

Frankie uses Brick to snitch on Sue and Axl.

Mike's brother is getting married.

How the Hecks spent their summer.

Sheldon plans a special themed dinner for Amy's birthday.

Sheldon and Amy use science to choose Best Man & Maid of Honour.

Penny helps Sheldon figure out his next scientific move.

Phoebe's old flame David visits from Russia for an evening of romance. Rachel and Chandler swipe deliveries of a particularly tasty cheesecake from their neighbour's doorstep.

Rachel and Tag's first night together is put on hold when they realise they forgot to overnight an important package. Ross and Joey are stuck on the roof and Phoebe can't disable a relentlessly beeping smoke alarm.

On her first day as a telemarketer, Phoebe encounters a distraught man who is determined to end his life. Monica and Ross discover their parents are selling their house and Rachel breaks Rosita, Joey's favourite chair.

When Rachel turns 30, the gang reminisce about their experiences with the big 3-0. Phoebe discovers she's 31, Ross buys a sports car to look cool, Monica gets drunk in front of her parents and Rachel breaks up with Tag.

Depressed after receiving his divorce papers, Walden cheers up when he meets a woman who looks very similar to Bridget.

Walden hires Evelyn as his interior designer but Alan fears she may have ulterior motives. Jake crushes on his chemistry tutor, who in turn has a crush on Walden, and Alan can't stop reading Charlie's old journal.

When Walden sells Charlie's piano, Alan goes off the deep end and starts channelling his inner Charlie.

After being released from the mental hospital, Alan is faced with a number of shocking events that test his mental stability.

Frankie uses Brick to snitch on Sue and Axl.

Mike's brother is getting married.

How the Hecks spent their summer.

Sheldon plans a special themed dinner for Amy's birthday.

How the Hecks spent their summer.

Frankie goes back to school after she's fired.

Brick is given a bunny to help him with a quirky new tic.

Raj discovers he's dating a married woman.

Leonard asks his friends for feedback on his novel.

Bernadette gives birth with the gang's help.

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.

Tasked with archiving material from Deborah's entire career, Ava gains invaluable insight into her employer. An unexpected package fuels longstanding tensions between Deborah and an estranged family member, and later, Ava reaches out to someone from her own past.

As Deborah scrambles to keep her dates intact, an unexpected tip drops in her lap at a bat mitzvah. Meanwhile, after DJ's request for a favour from Deborah is rejected, Ava accompanies her to an expo - only to learn more about Deborah and DJ's complicated relationship.

As Walden hopes to put Bridget in the past and dips back into the world of dating, Alan hopes a pawn shop will be the solution to his financial woes.

Walden hopes to move things forward with Zoey but Bridget's reappearance complicates matters.

The diner gang helps Max and Caroline bake throughout the night in order to fulfill a gigantic cupcake order.