Electronic Labyrinth: THX 1138 4EB (1967/2010)

Directed by George Lucas

IMDb
Wikipedia

Electronic Labyrinth: THX 1138 4EB is available as a bonus on Mr. Lucas’s feature film remake THX 1138, listed below.

Purchase theĀ Warner Bros. DVD from Amazon
Purchase theĀ Warner Bros. Blu-ray Disc from Amazon

Electronic Labyrinth: THX 1138 4EB is or was available in various other editions and/or collections.