The Naboo half of Phantom Menace, stretched out to two and a half hours.
Total Recall, but without the cool perception-vs.-reality philosophy.
An evening of watching someone else play Halo and they won't let you play and they watch all the cut scenes.
An Inconvenient (and Ham-Handed) Truth.
Like Star Trek IV, but when they get back to the present, Kirk helps the whale-aliens blow up Starfleet Headquarters.Courtesy of the w: A live-action remake of Ferngully: The Last Rainforest.
A late addition: Pocahontas in space.