IMDb - Internet Movie Database
Midomi - midomi.com find and discover music and people.
WhatSong - Listen to Songs from the Latest Movies
Shazam - Shazam is a mobile app that recognizes music and TV around you.
Watched.li - Ever forgot which episodes you've already watched?
SoundHound - SoundHound - the most immersive music search, discovery and play experience on mobile.