When the Scooby Doo gang encounters the horrible Phantosaur, they investigate to find out what's really behind this prehistoric haunting.

Frank Welker / Mindy Cohn / Grey Griffin / Matthew Lillard / Cathy Cavadini / John DiMaggio / Michael Gough / Matthew Gray Gubler / Finola Hughes / Maulik Pancholy / Kevin Michael Richardson / Fred Willard / Dave Wittenberg / Gwendoline Yeo / Nick Palatas

Released 2011

Runtime 75 min

Genre(s) Animation Family Mystery

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