Scooby-Doo! Mystery Incorporated Season 1 Episode 1
Here you can watch Scooby-Doo! Mystery Incorporated Season 1 Episode 1 free on 123Movies,
After being jailed for solving another mystery, the Mystery Inc. gang stumbles upon another mystery: a gruesome monster lurking underneath the town and cocooning everyone who comes near in green goop.
Episode Title: Beware the Beast from Below
Air Date: 2010-07-12