Both feeling untethered, Oly and Santi search out alternatives.

When Jimmy Jr.’s annual Pinewood Derby is moved to the same night as Grace’s last father-daughter dance, Jim finds himself suddenly having to choose between his two children.

Still reeling from the disastrous photoshoot, the band are adrift, on a break, leaving each of them to explore their own personal crossroads.

Mike and Molly reminisce with family and friends about their relationship, while gathering for a momentous occasion.

Divorced working mother Christine Campbell owns a women's 30-minute workout gym, successfully juggling the daily stresses of motherhood and her business.

Bonnie takes a single Christy out for Valentine's Day.

Christy finds it challenging to quit smoking.

Bonnie reluctantly consults a therapist.

Mike's brother is getting married.

How the Hecks spent their summer.

How the Hecks spent their summer.

Sheldon finds himself booted from the gang's Physics Bowl team and replaced with Leslie, so he forms his own team hoping to prove he's superior.

When delivery of another collectible leads to Penny's lashing out at Leonard, he decides it's time to give up his habit, much to his friends' protestation.

The rest of the gang fall for Sheldon's twin sister and Leonard's plan to win her heart is derailed when Sheldon declares he'll be the one to decide who can date her.

Joey may have ruined Rachel's chances with Tag when he opens his mouth during Thanksgiving dinner. Phoebe sneaks a dog into the apartment which makes Chandler extremely nervous.

When Phoebe tells how she was too poor to have a bike as a child, Ross goes out and buys her one. Monica decides to make candy and leave it outside her door as a way to meet the neighbours.

Ross' attempts to introduce Ben to Hanukkah are thwarted by the boy's like of all things Christmas. Phoebe prepares to move back into her refurbished apartment and will stop at nothing to get Rachel to go with her.

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.

Bonnie takes a single Christy out for Valentine's Day.

Christy finds it challenging to quit smoking.

Bonnie reluctantly consults a therapist.

Mike's brother is getting married.

How the Hecks spent their summer.

How the Hecks spent their summer.

Sheldon finds himself booted from the gang's Physics Bowl team and replaced with Leslie, so he forms his own team hoping to prove he's superior.

When delivery of another collectible leads to Penny's lashing out at Leonard, he decides it's time to give up his habit, much to his friends' protestation.

The rest of the gang fall for Sheldon's twin sister and Leonard's plan to win her heart is derailed when Sheldon declares he'll be the one to decide who can date her.

Joey may have ruined Rachel's chances with Tag when he opens his mouth during Thanksgiving dinner. Phoebe sneaks a dog into the apartment which makes Chandler extremely nervous.

When Phoebe tells how she was too poor to have a bike as a child, Ross goes out and buys her one. Monica decides to make candy and leave it outside her door as a way to meet the neighbours.

Ross' attempts to introduce Ben to Hanukkah are thwarted by the boy's like of all things Christmas. Phoebe prepares to move back into her refurbished apartment and will stop at nothing to get Rachel to go with her.

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.

Bonnie is consumed with the urge to mother a sick Christy.

Bonnie reacts unexpectedly when Adam's bar does well.

Bonnie & Tammy revisit memories at their old foster home.

Frankie goes back to school after she's fired.

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

Trashy neighbor Rita Glossner returns.

Penny wants to throw a surprise party for Leonard, but Sheldon's indulgence at an electronics store throws her off-track.

Penny's break-up spurs Leonard to summon the courage to ask her out. Both go to Sheldon for advice on their upcoming date.

Penny's first date with Leonard goes awry and she finds Sheldon to be an unwilling confidant.

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.

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.

Georgie digs into Mandy’s past when he discovers she’s been hiding thousands of dollars of debt. Meanwhile, Mandy tries to right her wrongs by going back to work.

Upon learning that Richard and "new" Christine are enjoying an intimate relationship, Christine becomes determined to make her own romantic conquests.

Upon learning that her close friend Barb is responsible for matching up "new" Christine and Richard, Christine allows Barb to set her up on a blind date of her own.

A whirlwind of changing relationships motivates Oly to break the stalemate with Santi.

Frankie goes back to school after she's fired.

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

Trashy neighbor Rita Glossner returns.

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.