Alexander Skarsgard attended PaleyFest 2011 this weekend in Beverly Hills, bringing something intriguing along with him to the event: A behind-the-scenes teaser video that depicts a shirtless, confused, child-like Eric.

“Things are definitely not stable for Eric,” Skarsgard said of his character's upcoming journey. “He doesn’t know who he is anymore. He’s very lost.”

Might this have something to do with the witches that will play a major role on season four? We'll have to tune in and find out, but fans can enjoy the following tease below for the season to come:

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.