Aaron Krebs

When an old neighborhood kid returns to town as a hugely successful internet billionaire, it gets Phil thinking of what could have been. Jay feels Manny could use a little dose of constructive criticism, and Cameron is offended when Mitchell questions the authenticity of his colorful childhood stories. It all comes to a head at Thanksgiving with the family divided between the "Dreamers" and the "Pritchetts" -- and nothing settles the score like a punkin chunkin challenge.

With Derek away, Meredith spends time with Amelia and finds out her true feelings about her time in Seattle. Bailey deals with the ramifications of her actions and Callie receives devastating news. Meanwhile, the residents panic after hearing that one of them will be fired.

Jonah struggles to find his place at Amy's daughter Emma's quinceañera; Dina proves very popular with some teenage boys; Cheyenne and Mateo are obsessed with seeing Amy cry.

Nora and Kitty make unexpected romantic connections; Kevin's nerves get the better of him; Sarah's plans for a last romantic night with Luc do not go as planned.

The team must help an injured former Secret Service agent regain his memory in order to stop the launching of weapons of mass destruction.