Filter Movies on Lists by other lists. e.g. See what movies cross two or more specific lists.
Basically if you are working on two lists. You'll want finish checking movies that are on both list. So by being able to filter, let says the 501 Must See Movies with the IMDb 250, You'll be able to find out what movie you'll need to progress on the list at the same speed.
NuclearPlanet shared this idea