The family, minus a supposedly sick Teddy, take a vacation to a house on Dead Man's Lake that may be haunted. Meanwhile, Teddy plans a house party while her family is away.

With the end of Amy’s maternity leave, Teddy's new babysitting duties conflict with her prep for a big school debate and things go awry when Gabe and PJ are assigned to watch Charlie.

Teddy asks Victor to prep for her SATs not realizing how demanding a teacher he is. Amy makes Bob sleep with Gabe as his snoring keeps Toby awake. PJ reads The Littlest Unicorn to Charlie and gets obsessed with the story.

Teddy suspects that someone at school is out to get her. Amy and Bob suspect that Deedee Dooley is teaching Charlie bad behavior Gabe tries to prevent his report card from being mailed home.

Teddy and her friends go Halloween caroling to raise money for the drama club. A neighborhood mom vows to get even with PJ and Gabe for not giving her son any trick-or-treat candy.

After Teddy uncovers the reason why Amy and her younger sister Jamie drifted apart, she and Charlie quickly devise a plan to convince Amy that it's time to make things right with her sister. Meanwhile, Gabe and Jake sell a photo of Toby and are in hot water when a local grocery store winds up using it.

Teddy is disappointed when she is waitlisted at her first choice for college.

Teddy leaves for college and the family has a hard time saying goodbye.