Ghostfreaked Out Ben 10 : Season 2 Episode 11
TV-Y7-FV Cartoon Network 22m int(0)
Aired: July 25th, 2006 @ 10:00 AM EST on Cartoon Network
A terrorizing nightmare of Ghostfreak is half the trouble for an unnerved Ben, as a tour of an important academy that Gwen wishes to attend is disturbed by the uncanny alien's manifestations and the antics of Acid Breath, Frightwig, and Thumbskull.