Scooby Doo! Legend of the Phantosaur

ScoobyDoo Legend of the Phantosaur is the sixteenth DirecttoDVD movie based upon the ScoobyDoo Saturday morning cartoons, released on September 6, 2011. It premiered on Cartoon Network on September 3, 2011 at 700pm ETPT.

The gang goes to the barbecue, and all but Shaggy and ScoobyDoo go off to see the paleontological dig of Professor Svankmajer. Shaggy and Scooby are too full to walk right away. When they set out, a gila monster steals a biscuit from them, causing Scooby to go after it. He meets the Phantosaur described as resembling an Appalachiosaurus by Professor Svankmajer and runs away. Later, Shaggy and Scooby are chased by the Phantosaur and narrowly escape.Meanwhile, Professor Svankmajor shows the rest of the gang over the dig, and Velma meets Svankmajors student, Winsor. She instantly sees him as a soul mate and they plan to go out on a date, to which Fred replies to Daphne, On our own for clue searching then. ........

Source: Wikipedia