Time Flies Achievement
Watch 1000 minutes of video
This is 16 hours and 40 minutes. Fast forwarding does not count towards this achievement. However, once an episode finishes playing the app goes to a screen where it gives you other episodes you may want to watch and time spent on this screen does count towards this achievement as long as you are able to press and back out of this screen. If the app crashes or loses connection to the internet before you exit the screen your progress will not count.
Here is a picture of what that looks like: