Scooby-Doo and the Loch Ness Monster

Scooby-Doo, Shaggy, and the Mystery Inc. crew travel to Scotland on vacation and find themselves unexpectedly tackling their biggest monstrosity ever: the Loch Ness Monster! Does it really exist? Early evidence suggests a scary "yes" when something gigantic appears outside the window of Daphne's ancestral family castle. (official distributor synopsis)