Rossi and the team present one of the longest-tenured serial killer cases to college students, and they take the class through a nearly 20-year chase for the murderer. Mackenzie Astin guest stars.
When Dre agrees to take over Rainbow's "mom" duties for a week, the overwhelming praise he gets from everyone at his kids' school goes to his head. He soon finds himself pushing the envelope to outdo everyone, even the school's 'crazy mom.'
While the Huangs are out at the movies, Evan is accidentally left home alone, and Jessica vows to make it up to him. Meanwhile, Marvin takes a spill and is visited by Ghosts of Christmas Past, Present and Future.
Dylan and Rebecca unexpectedly play the role of magician's assistant while determined to return a cash filled lock box to its rightful owner.
