The Big Shake-Up

The Big Shake-Up
== Synopsis ==
Callie is very frustrated with the fact that she's miserable over her pregnancy, and she is starting to become extremely difficult to live with. She is moody, snaps at everyone, and makes everyone around her miserable. What's worse, Layla and Nathan bear the brunt of her moodiness. Nathan took care of Callie while Layla had to be in a meeting and was unable to take care of her pregnant sister, leaving Nathan to look after her, only to find out that Callie's feet had swollen up, along with her legs.
Joey only has one ticket to his big movie premiere. The others argue over who should get it, but Joey says he wants Chandler to come as a way of paying him back for his support over the years. However, Chandler falls asleep during the movie and Joey is angry. He attempts to pay Chandler back by writing him a check instead, but when he realizes how much he owes Chandler, he decides it's not a big deal and forgives him.
Elsewhere, Nathan and Callie are still trapped in the storage closet at Java the Hutt. Nathan is panicking while Callie does her best to remain calm as she fears that stressful panicking could send her into labor. As Nathan calls for help, Callie's water breaks. But he tells her not now as he declares them being trapped in a closet a crisis. Callie replies, "Does "My Water just broke" clarifies as a crisis? Causing Nathan's eyes to grow large at the revelation. Realizing that he and Callie having bigger problems, Nathan screams for help.
Part 2
Ben, Paige, Devon, Pete and Delores rally back at the apartment complex following a massive earthquake, to see if they are all right. Plus, Pete reveals that he tried calling Nathan to see if he is okay, but Nathan didn't answer. Ben tells the gang that Layla (who was in New York on business) called saying that she found out about the earthquake on the news and tried to call Callie to see if she was okay, but she never answered her phone. Worried about Callie, Layla takes a flight back to L.A.
Nathan and Callie are still trapped in the storage closet at Java the Hutt when they start arguing over Nathan's whining. But when Callie is hit with her first contraction, Nathan is forced to put aside his feelings and coach Callie through the contractions. Realizing that Callie is really in labor, Nathan does his best to coach his friend through the situation.
Part 3
The gang arrive at Java the Hutt, only to find Callie's purse on one of the tables. They search for both Nathan and Callie at the coffee shop and find out that they are both trapped in the storage closet. Nathan explains on how he and Callie got trapped during the earthquake. Peter tries opening the door on the other side, but it was clear that the earthquake jammed the lock. But Nathan tells the gang he has another problem, Callie has gone into labor, shocking the others. He tells them to call for an ambulance. Peter calls 911, but emergency officials are at the scene of a serious car pile-up caused by the earthquake, and the only ambulance that can arrive at their location won't be there for at least 30 minutes. The gang is shocked and upset that help won't get at the coffee shop in time. To make things worse, Nathan checks Callie's cervix and is in shocked to find out that she is fully dilated and ready to give birth. Realizing that the ambulance won't arrive in time and that they are still trapped, Nathan tells Callie to start pushing as her baby is coming NOW!