If you've gotten "Black Beauty" mixed up with "Black Sheep" or find yourself confused about whether "Mr. Smith Goes to Washington" or "Ernest Goes to Camp," one place on the web rises above the pack as the top Internet site for movie information: the Internet Movie Database. 

IMDB's massive site boasts plot summaries for every film you've ever heard of as well as viewer commentaries, photo galleries, cast listings and a section of memorable quotes from each movie. The site is updated daily and includes lists of films opening each week and box office rankings of films currently in theaters.

Aside from the wealth of information about the movies themselves, the database features profiles of actors, directors and producers in the industry, from Martin Scorsese to Martin Lawrence. There is also an impressive section devoted to TV shows and made-for-TV movies, but it is not as comprehensive as the movie section.

This site is also excellent for resolving arguments or just as a source of cheap laughs-found in the "Seinfeld" and "Dumb & Dumber" quote sections. The IMDB is truly the authoritative source for movie information on the Net.