The teachers are put in charge of preventing bullying at Fillmore; Mrs. Adler confronts her past as a tortured teen.
As the gang prepares to depart for the holidays, they quickly find they may be home alone when they are all trapped at the airport.
After Annie and her newly engaged dads discover that their cousin “Scooby” can only attend one of their weddings, they battle it out over whose wedding will win out.
