Lauren's sister Heather comes to visit and Lauren invites all her friends to meet her. Cooper stays with Julie when Eric is away and ends up looking after Perry when Julie falls asleep. Heather goes on a date with a guy named Tom whom Lauren knows but ends up sleeping with Danny instead. Then Heather's ex boyfriend Billy shows up!
As her end of pregnancy nears Lauren starts to get uncomfortable - from gaining weight to going up a shoe size. So, Andrew and Danny go out an buy her new Christian Laboutin shoes and Cooper takes her to a stylist. Meanwhile, Eric's mum sends matching knitted outfits for Julie and Perry which Julie refuses to accept and gives them to the dog that Danny is dog-sitting.
Because Andrew is panicking too much about the upcoming birth Lauren sends him and Danny to a concert being held in the Desert. After they have left she discovers she forgot to give him his VIP passes to the concert so she, Cooper and Julie set off to the concert. At the concert Lauren goes into labor and delivers a baby girl by cesarean section at Joshua Tree Hospital. But what name do they call her?
Cooper meets Ray and is instantly attracted to his hot sweaty look and every time they meet he has to hot and sweaty. Lauren and Julie have a huge fight because Julie won't recommend Lauren and Andrew to their pediatrician. Meanwhile, Danny has been lying to Andrew about his basketball games because when Andrew played with them he was too competitive.
Lauren & Andrew are kicked out of the hospital and they panic because of the baby. Danny has been supposed to be building the crib, but he's been doing Cooper's colleague Beverly instead. The job falls to Julie and Eric.
Andrew wants to contribute to taking care of baby Olivia, but Lauren does *everything*. They let Danny supervise their yard sale - bad idea. Andrew tries to secretly feed Olivia, but Lauren finds out and strikes back.
Lauren's parents come visiting. Turns out they drive her crazy but she can't muster the courage to tell them it. Danny wants to settle an issue with Lauren's mom. Julie makes a deal that gets Cooper to go on a date with Perry's nanny Ian.
Danny offers to babysit Olivia and Cooper reluctantly accompanies him while Lauren and Andrew have a night out but find it hard not to constantly check that Olivia is OK. Julie accidentally ends up on a date. With a lesbian.
Lauren asks Julie to give Ian more free time so he can see Cooper. A chain of problems Lauren causes and tries to solve begins... Andrew & Danny dig up their time capsule and start arguing about which one of them the neighbor girl liked.
Lauren and Andrew are suffering from sleep deprivation. Lauren seeks advice from a famous lecturer. The shirt that was sent to Danny from Cooper's company has been stolen by Danny's neighbor, who's foolish enough to piss Cooper off.
Everyone goes on a weekend trip at Julie and Eric's villa. However, Eric reveals a secret to Andrew. Lauren squeezes it out of him and decides to prepare Julie, but accidentally finds out her secret. Meanwhile, Danny and Cooper hit the bar.