Ben 10 Season 2 Episode 11
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.
Serie: Ben 10
Episode Title: Ghostfreaked Out
Air Date: 2006-07-25