Wolverine and the X-Men Season 1 Episode 11

Logan is haunted by an eerie dream, a remnant of his fragmented memories. To get to the bottom of what happened to him, he enlists the help of Emma Frost. With her assistance, Logan is able to locate and return to the place in his dreams. But he should never have returned, because now his past knows where to find him. That past takes the form of Sabretooth and the shadowy organization that Logan used to work for: Weapon X.