Johnny and Moira attend a singles event as research, but find themselves getting overly involved. Alexis runs into an old friend in town.

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.

Ned and Mare take a long road trip to interview a possible cult leader after Detrick backs out; Ken drags Nicole into his corporate apology tour; Oscar is driven mad by a troll commenting on his pieces.

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.

Molly's shocked that Victoria gets the house in Joyce's will.

Mike & Molly clash over her time when she's not writing.

Mike brings home a stray puppy...to Molly's dismay.

Max and Caroline learn that one of their customers at the diner is a successful photographer… who is keeping a secret.

A handsome businessman returns Max and Caroline's missing cat, Nancy… who comes home with a big surprise.

Leonard and Sheldon's friendship is tested; Wolowitz's relationship with his mom causes a threat to his masculinity.

When the entire gang competes in a scavenger hunt designed by Raj, it brings out the best - and worst - in everyone.

Beverly Hofstadter writes a psychology book about Leonard which Penny buys and reads. Sheldon wants to ruin something for Amy after she ruins an Indiana Jones movie for him and Raj and Stuart try online dating.

The guys get invited to take a ride along with Gary as a means to keep Ross distracted from Emily's upcoming wedding. However, when they hear a gun shot, Joey throws himself over Ross which makes Chandler jealous.

Gary asks Phoebe to move in with him but she's reluctant to and to overcome boredom, Ross and Joey start throwing a ball to each other. Rachel buys an expensive cat but it doesn't behave as she hoped it would.

Joey seems to have hit it big when he gets offered a lead part in a movie shooting outside of Las Vegas. However, when Chandler begins expressing doubts about the film's legitimacy it causes a rift in their friendship.

Chandler decides the only way to mend his friendship with Joey is to fly out to Vegas and visit him. Phoebe is determined not to be left out on another adventure, so everyone winds up going.

Molly's shocked that Victoria gets the house in Joyce's will.

Mike & Molly clash over her time when she's not writing.

Mike brings home a stray puppy...to Molly's dismay.

Max and Caroline learn that one of their customers at the diner is a successful photographer… who is keeping a secret.

Max and Caroline's cupcake business gets unwanted attention when a tenant is arrested whilst wearing their company's T-shirt. Meanwhile, Sophie's wedding shower is interrupted by a hostage situation.

A handsome businessman returns Max and Caroline's missing cat, Nancy… who comes home with a big surprise.

Leonard and Sheldon's friendship is tested; Wolowitz's relationship with his mom causes a threat to his masculinity.

When the entire gang competes in a scavenger hunt designed by Raj, it brings out the best - and worst - in everyone.

Beverly Hofstadter writes a psychology book about Leonard which Penny buys and reads. Sheldon wants to ruin something for Amy after she ruins an Indiana Jones movie for him and Raj and Stuart try online dating.

The guys get invited to take a ride along with Gary as a means to keep Ross distracted from Emily's upcoming wedding. However, when they hear a gun shot, Joey throws himself over Ross which makes Chandler jealous.

Gary asks Phoebe to move in with him but she's reluctant to and to overcome boredom, Ross and Joey start throwing a ball to each other. Rachel buys an expensive cat but it doesn't behave as she hoped it would.

Joey seems to have hit it big when he gets offered a lead part in a movie shooting outside of Las Vegas. However, when Chandler begins expressing doubts about the film's legitimacy it causes a rift in their friendship.

Chandler decides the only way to mend his friendship with Joey is to fly out to Vegas and visit him. Phoebe is determined not to be left out on another adventure, so everyone winds up going.

Mike is upset with Vince over a do-it-yourself project.

Molly brings home a homeless & pregnant former student

Molly reunites Frannie with her estranged sister.

Max and Caroline attempt to bring in extra money to help pay off their bank loan by taking second jobs as a pastry chef and a hostess at a chic restaurant.

Max pursues Nashit, a handsome new waiter at The High, despite Joe's "no hook-up" rule.

When Sophie takes Max and Caroline shopping for their bridesmaids' dresses, the girls enlist the diner gang's help to hide the ugliest ones, in the hope of avoiding complete and utter humiliation.

Amy starts working at Caltech which causes friction with Sheldon. Howard agrees with Sheldon who mentions this to Bernadette causing a big fight for the Wolowitzes.

Sheldon's latest scientific breakthrough leaves him feeling like a fraud and a romantic gesture between Howard and Bernadette causes Penny to up her game with Leonard.

When Professor Proton asks Leonard for help with an experiment, Sheldon retaliates by befriending Proton's rival, Bill Nye.

Rachel and Ross' prank war starts getting out of control. Meanwhile, Chandler makes the bet of a lifetime to fix his relationship with Monica.

A hung-over Ross and Rachel are shocked to discover they are husband and wife. Monica and Chandler search the Strip for signs that they are altar-bound whilst Joey and Phoebe have a cross-country adventure.

Monica and Chandler decide to move in together, leading Rachel to believe that all three of them will be roommates. Phoebe discovers that Ross hasn't annulled his marriage to Rachel.

Monica and Chandler disagree over how to redecorate Rachel's old room. Joey advertises for a specific type of roommate. Ross is unwilling to accept that he is still in love with Rachel.

Lee realises his past has finally caught up with him and takes drastic action. Kirsty and Glen practice their wedding dance before Kirsty finally comes clean about her shoplifting habit.

Walden's former business partner shows up, looking to patch the rift between them.

When Lyndsey's mother comes for a visit, Alan suggests she meets Evelyn. Walden is stuck hearing out iPhone app ideas from Jake and Eldridge.

Moira struggles to get out of jury duty while David tries to minimise the damage of a potentially harmful Rose Apothecary product.

Max and Caroline attempt to bring in extra money to help pay off their bank loan by taking second jobs as a pastry chef and a hostess at a chic restaurant.

Max pursues Nashit, a handsome new waiter at The High, despite Joe's "no hook-up" rule.