TeeVee - Your TV show guru - track what you watch
Bingewatch - See if a series is finished so you can binge watch it
SeriesGuide - SeriesGuide helps you keep track of your favorite TV shows and movies.
SERIST - Your personal TV show tracker
Anime Trakr - Anime Trakr app features management of the complete list of your favorite anime series so you can watch an anime episode with a single tap.
Trakt.tv - Automatically track TV shows & movies you're watching.