Charlie Harper is alive. Or is he? Find out in the two-part finale.

Can Bonnie & Adam get on the same page for their wedding?

When Christy's car dies, Bonnie refuses to let Adam loan her money for a new one.

Jill returns from her wellness retreat a changed woman.

Max and Caroline's dessert bar business booms when they hire a popular bartender, but the girls are forced to intervene when Han becomes addicted to the mixologist's potent cocoa powder in his signature cacao drink.

Randy and Max tire of Caroline being the third wheel on their FaceTime dates, so Randy sets her up on a date with one of his co-workers. Meanwhile, Oleg becomes distraught when Sophie tells him to sell his beloved car for a minivan.

When a hurricane approaches, Caroline fears a big divorce party she's planning for a wealthy couple will get canned when the unhappy pair get stranded at the dessert bar. Meanwhile, Max fears Randy really did break up with her when she suspects he is blocking her calls.

After the guys throw Howard a bachelor party, Bernadette reconsiders marrying him after learning about his sexual history.

When NASA moves up Howard's mission, he must face his fears and Bernadette's dad, thus putting the wedding plans in jeopardy.

The fifth season ends with Howard and Bernadette deciding to get married before his NASA mission, causing the gang to scurry into overdrive in an effort to stage the wedding.

Rachel's paediatrician drops her as a client because she calls him incessantly (she thinks hiccups is emergency enough for 3AM) so now she must find a new one. Chandler and Monica discuss Tulsa.

Phoebe's talk with Ross prompts her to realise she's never had a long term relationship. Monica makes a startling discovery while visiting Chandler in Tulsa and Joey doesn't know why his date's pad seems really familiar.

Monica's ovulating so she plans to sleep with Chandler but they end up fighting. Ross locks himself and Rachel out of the apartment with Emma inside. All this leaves Phoebe and Joey alone at Phoebe's birthday celebration.

Ross mocks Rachel's new male nanny. Chandler gets upset when Monica says somebody from work is the funniest guy she's ever met. Phoebe and Mike exchange apartment keys, only to get a surprise visit from Phoebe's ex.

Can Bonnie & Adam get on the same page for their wedding?

When Christy's car dies, Bonnie refuses to let Adam loan her money for a new one.

Max and Caroline's dessert bar business booms when they hire a popular bartender, but the girls are forced to intervene when Han becomes addicted to the mixologist's potent cocoa powder in his signature cacao drink.

Randy and Max tire of Caroline being the third wheel on their FaceTime dates, so Randy sets her up on a date with one of his co-workers. Meanwhile, Oleg becomes distraught when Sophie tells him to sell his beloved car for a minivan.

When a hurricane approaches, Caroline fears a big divorce party she's planning for a wealthy couple will get canned when the unhappy pair get stranded at the dessert bar. Meanwhile, Max fears Randy really did break up with her when she suspects he is blocking her calls.

After the guys throw Howard a bachelor party, Bernadette reconsiders marrying him after learning about his sexual history.

When NASA moves up Howard's mission, he must face his fears and Bernadette's dad, thus putting the wedding plans in jeopardy.

The fifth season ends with Howard and Bernadette deciding to get married before his NASA mission, causing the gang to scurry into overdrive in an effort to stage the wedding.

Rachel's paediatrician drops her as a client because she calls him incessantly (she thinks hiccups is emergency enough for 3AM) so now she must find a new one. Chandler and Monica discuss Tulsa.

Phoebe's talk with Ross prompts her to realise she's never had a long term relationship. Monica makes a startling discovery while visiting Chandler in Tulsa and Joey doesn't know why his date's pad seems really familiar.

Monica's ovulating so she plans to sleep with Chandler but they end up fighting. Ross locks himself and Rachel out of the apartment with Emma inside. All this leaves Phoebe and Joey alone at Phoebe's birthday celebration.

Ross mocks Rachel's new male nanny. Chandler gets upset when Monica says somebody from work is the funniest guy she's ever met. Phoebe and Mike exchange apartment keys, only to get a surprise visit from Phoebe's ex.

Bonnie faces down Jill's life coach.

Christy and Bonnie help get Jill sober again.

Bonnie struggles to be stable when Adam suffers a loss.

Max decides to head to Los Angeles to win back Randy, so she and Caroline embark on a cross-country road trip with Han at the wheel. Back in New York, Oleg takes charge of the diner and Sophie fills in as a waitress.

Max and Caroline stow away and waitress on a riverboat to New Orleans, as they try to reach Randy in Texas. Back at the diner, Oleg and Sophie make big bucks when they sell pony rides on Chestnut.

Max and Caroline are cast as zombie extras when they arrive on a movie set in Texas. Back at home, Han and Oleg try their hand at construction after they fire the contractor working on the dessert bar.

With his friends on dates, Raj must face his loneliness. Also, Wolowitz is caught in an argument between Bernadette and his mom, even while he’s in space.

When Sheldon learns that Penny is thinking about breaking up with Leonard, he tries to intervene. Meanwhile, in space, the other astronauts pick on Howard.

Amy feels threatened when Sheldon hires a young female assistant, and the pressure of being in space takes its toll on Wolowitz.

Ross makes Emma laugh by singing "Baby Got Back". Joey and Chandler find a video tape in Richard's old apartment. Phoebe has dinner with Mike and his parents.

Rachel has a bone to pick with her self-centred sister during Thanksgiving. Monica obsesses about anybody damaging her best china and Joey realises he forgot to show up for the Days of Our Lives cast parade float.

Joey becomes convinced that Monica's having an affair after Chandler sneaks back into town. Rachel impulsively gives her telephone number to a handsome guy but worries he'll call when Ross is there.

Monica fears the worst when she learns Chandler will be spending Christmas in Tulsa working on a deadline with a beautiful co-worker.