More than just a fish tale, ''Finding Nemo'' succeeds as an exhilarating underwater odyssey, thanks to magnificent animation (which shines even more vividly on DVD than it did on the big screen), inspired vocal casting (who'd've thought the year's No. 1 movie would star Albert Brooks and Ellen DeGeneres?), and a message that hits home with kids and grown-ups alike (overprotective parents can unwittingly endanger their offspring).
EXTRAS Everyone but aspiring animators can skip most of ''Filmmakers' World,'' which chronicles the cartoon's production in exhausting detail. The supplementary ''Family Fun'' features also disappoint: The Fisharades game (in which viewers guess shapes formed by a school of silver fish) proves frustrating, and the read-aloud Storytime (about a day in the classroom of Nemo's teacher) suffers from extreme abbreviation. Only the seven-minute quasi-doc ''Exploring the Reef'' merits watching, as Brooks' Marlin and DeGeneres' Dory disrupt the educational attempts of host Jean-Michel Cousteau -- ''Upstaged by fish?'' Jacques' son fumes. ''This would have never happened to Papa!'' Movie: A Extras: B-