It's been a while since Amy and Bob have been on a date, so Teddy encourages them to go to dinner while the kids babysit Charlie. When PJ takes Charlie to the park, he accidentally swaps strollers and babies with a cute girl, Emma.

Gabe and PJ mistakenly believe something fishy is going on with their neighbor, Mrs. Dabney, so they investigate. Meanwhile, Teddy is annoyed that her best friend Ivy has become texting buddies with Amy.

Amy reveals that she was Wammy the Ram, the mascot of Teddy's high school, and pressures her into trying out for the role too. Teddy tries to blow the audition but gets the role anyway, just in time for the big rivalry game. Meanwhile, PJ challenges his best friend Emmett to baby-race his nephew against Charlie.

A backwards dance is approaching at Teddy's school. Teddy asks Spencer out for the big night and Ivy asks out Emmet. Teddy tries to get her first kiss from Spencer, but he's busy hanging out with Emmet. Meanwhile, Gabe tries to get his parents to argue at Open House because he has been lying to his teacher and saying that he could not complete his assignments because his parents are fighting.

The Duncan's are quick to blame P.J. after they return home to find all of their party decorations destroyed, but P.J. insists that Charlie is the real culprit.

A puzzled P.J. and Teddy cannot understand why their friends are angry with them, until the monthly cell phone bill arrives.

The family reminisces about the day Charlie was born.

Teddy and P.J. hatch a plan to keep Bob from tearing down their cherished childhood tree house.

Teddy tries to strike up a friendship her Uncle Mel after Bob refuses to tell her why he wants nothing to do with him. P.J. and Gabe plan to turn Charlie into a model behind Amy's back.