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
Numento - With Numento, you will be able to efficiently and easily manage your collection.
Flixster - Share movie reviews and ratings with friends.
EMDB - Eric's Movie Database - EMDB is an application to keep track of your movie and TV Series collection.
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
Book Collector - Collectorz.com Book Collector instantly catalogs your home library in a personal book database.