Consider it a way to stave off the impending sadness over “Parks and Recreation” ending, or just a gentle reminder that before he was the star of so many blockbusters, Chris Pratt was a loveable goofball. This “Jurassic Parks and Recreation” mash-up from Thanks Mom Productions puts his his TV persona, accident-prone Andy Dwyer, on the dinosaur-filled island to great comic effect. Running, indeed, is impossible. Follow Ned Ehrbar on Twitter: @nedrick