Carly gets a B on her history paper and becomes upset because she thinks she deserves better. Sam hacks into the school computer to change the grade and all is…

In retaliation for putting a dead fish in his locker, Freddie handcuffs Sam to Gibby. Later, Sam overhears Freddie make a confession to Carly that he has never had his…

Jack looks for a Russian national as his father plots with shadowy patriots. Meanwhile, the President and the Constitution may be in danger.

Four more “suitcase nukes” are out there, and Jack’s only lead takes him to the home of his brother.

The Witch Channel broadcasts Sabrina’s life on national television; Hilda turns into a compulsive standup comedienne.

Mysteries abound when a family returns from vacation to discover a dead man in their daughter’s bed. Thinking they’re investigating the murder of a squatter, Castle and Beckett soon find…

Dexter hunts down Hannah to figure out why she’s back in Miami. Dexter also takes on a protégé and starts teaching him the Code.