Considering there won't ever be a $5 4K UHD of this -- and, at this point, not a Blu-Ray either -- this is the best deal you'll get.

https://itunes.apple.com/us/movie/id350571369

Movies Anywhere also means it will port to all services you're connected with (Vudu, Amazon Prime, etc.)

TRON and ADVENTURES IN BABYSITTING( UNCUT!) also down to $5.

Slightly off-topic, but do you know if the Tron Blu-ray contains the unused -- and isolated -- "Light Cycle" music cue in the special features?

It does. In fact it has all the laserdisc special features, one of the few times Disney threw everything on there.

Sorry, to keep pestering you! But it's on this version?

That's the one! (and only)