In Android Police noticed that Netflix is testing the "Random episode" button. It is located where it is usually located.
Who will be interested
Sometimes there are times when watching completelynothing and just want to include some episode of your favorite series. The new feature is especially suitable for fans of “Black Mirror” or other similar series, in which the series are not related to each other.
So far, it is being tested in the Netflix v7.6.0 build 19 34157 application on Android. At the moment it is unclear whether this feature will be available to all or launched as an experiment.