Star Trek Original Motion Picture Collection Blu-ray (2016 Set) $12 at Amazon
Amazon has Star Trek: The Original Motion Picture Collection 6-Disc Blu-ray Set (50th Anniversary 2016 reissue) for
$12 with free shipping on $25+ or with Prime. Same price at
Best Buy, and
Walmart has it for
$9.96 with free shipping on $35+ (no pickup).
Six-disc set includes The Motion Picture, The Wrath of Khan, The Search for Spock, The Voyage Home, The Final Frontier (they had to include this) and The Undiscovered Country. If you've bought these before on Blu-ray (2009), they're the same.
Original Source of Info