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It's Halloween night and the kids encounter a strange boy named Russell who is convinced his house is haunted. Meanwhile, Dr. Doofenshmirtz's disdain for grass causes him to invent a "mind-transfer-inator" enabling him to merge minds with a cow and destroy all the grass in the Tri-State Area. Unfortunately, his plan backfires and he transforms into a scary "were-cow" that wreaks havoc any time there is a full moon. It's now up to Agent P to stop him and save Danville.
First Air Date : Aug 17, 2007
Last Air date : Jun 12, 2015
Episode : 223 Episode
Season : 5 Season
Runtime: 12:14 minutes
Studio: Disney XD, Disney Channel
Country: United States of America