Game of Thrones Season 4 Finale

Jon and Samwell are on duty on top of the Wall. Ygritte wants to be the one who kills Jon Snow. A petrified Gilly returns with her baby to Castle Rock, reporting about the wildling attack at Mole's Town. The Nights Watch prepare for battle. The wildling army attack the wall in the night, with giants riding mammoths. Jon sets out on a dangerous journey to help set things right.