Keep track of the films and TV show episodes you have seen. Follow shows and have your own TV calendar, and never forget your favourite TV show episodes.
IMDb - Internet Movie Database
Delicious Library - Delicious Library 3: Catalog your books, movies, music, software, toys, tools, electronics, & video games. Archive your life.
Flixster - Share movie reviews and ratings with friends.
Filmotech - Filmotech is a movie catalog software for movies on DVD, Blu-ray, DivX, CD, VHS and more.
Simkl - Simkl is a TV, anime, and movie tracker that keeps a history of all the shows and movies you watch in one, central location. It’s a mobile app, a website, Google Chrome extension to keep track of everything you watch and integrates with many TV apps
MyMovieRack - Are you into Movie and TV series? Start creating your collection and let your friends know!