The message is particularly easy to miss and appears to only come up when you’re at the beginning of an episode, rather than clicking into an episode already in progress.
If this was an early warning meant to soothe customers before releasing the official list of content leaving the service, it backfired.
To start at the source: if you go to Netflix to binge down with any of the first six seasons of Futurama — with the sixth “season” actually just being the four direct-to-DVD features that were released following its first cancellation — then you will see a small message pop up on the left side of the screen, saying “This season is available until July 1.”