Actors: Chris O'Donnell,Daniela Ruah,Eric Christian Olsen,Barrett Foa
An ongoing case leads Callen, Sam, Deeks, and Kensi to Moscow, where the team must assume multiple undercover identities to locate their suspects. Also, Callen uncovers new information regarding his father.
Jon heads east as trouble begins to stir for Sam and Gilly at Castle Black. Sansa asks Theon for help. Tyrion and Jorah are sold as slaves. Cersei savors her triumph over the Tyrells as new plots are developed in the shadows.
Actors: Johnny Galecki,Jim Parsons,Kaley Cuoco,Simon Helberg
As Sheldon presses Leonard and Penny to set a wedding date, he encounters major changes in his relationship with Amy. Meanwhile, Raj wonders if he should break up with Emily, and Howard and Bernadette struggle to ask Stuart to move out.
Castiel seeks out Metatron's help to stop the Darkness. However, Metatron is pretty happy with his new life as a freelance videographer for the local news and isn't inclined to help the Winchesters or Castiel.