Chuck and Sarah discover who's behind the plot to destroy Carmichael Industries. Meanwhile, Ellie's plans for a perfect Christmas begin to come apart. At the Buy More, Morgan and the gang must fend off angry customers as a computer virus threatens to ruin Christmas.

Tim's boss seeks his help; Stu feels rejected by his nephew.

Magnus is approached by a notorious leader in Hollow Earth who is looking for assistance in building a new home on the surface for his insurgents, but problems arise when the world's government gets involved. Addison reactivates Will's federal commission.

Jay Thomas, Darlene Love

Terry Bradshaw, Bailee Madison, Chris Isaak

Christmas Email Spectacular

Juvia refuses to kill Meldy and tries to stop her from killing herself. In doing so, Juvia witnesses Meldy's happy memories with Ultear through their connected senses and persuades her to stop fighting. Meanwhile, Gray meets Ultear, who claims to be his ally and that her plans for Zeref are part of what her mother Ul wanted. The other members of Fairy Tail encounter Grimoire Heart's remaining forces: Erza faces off against Azuma; a weakened Levy, Lisanna, and Pantherlily against Rustyrose; and Natsu, Lucy, and Wendy against Grimoire Heart's massively powerful deputy commander Bluenote Stinger.

Morgana and Helios have managed to take control of Camelot and Merlin and Arthur are now outlaws on the run. After becoming trapped in Ealdor with the army closing in, their situation ends up looking dire. Merlin attempts to restore Arthur's faith before it is too late.

Jonathan is joined on the show by Tom Cruise, Jessica Brown Finlay, Laura Carmichael, Michelle Docker, Tim Minchin, Simon Bird, Joe Thomas, Blake Harrison and James Buckley.