To convince consumers they should update their precious video collections to DVD, movie companies often add enticing extras that can't be found elsewhere. It's a marketing gimmick, but film buffs win, too. Here are five movies that look better on DVD:

More than the story of a deep-diving man and his dolphins, director Luc Besson's first international splash is also a sensuous tour of the Mediterranean that yearns for the wide-screen canvas. Thankfully, the letter-box format restores the amputated vistas.

The DVD has a cavernous vault of funny material that didn't make the final cut of this mock rockumentary. Deleted scenes as well as spoof commercials and music videos help trace the progression from skiffle to loony metal of "one of England's loudest bands."