There are 42 items listed at eBay

BACK TO THE FUTURE Trilogy (3-Disc Blu-ray Set) Complete All 3 Movies
Current Bid: 24.95 + 2.95 (shipping) = 27.90 USD
Time Left: 10 days 17 hours 45 minutes 36 seconds

BACK TO THE FUTURE Trilogy (with corrected framing DVDs!!) Complete DVD Set
Current Bid: 19.99 + 0.00 (shipping) = 19.99 USD /
Time Left: 14 hours 33 minutes 23 seconds

Back to the Future Trilogy: Complete Collection Series Blu-ray (Parts 1, 2 & 3)
Current Bid: 33.01 + 0.00 (shipping) = 33.01 USD
Time Left: 11 days 21 hours 22 minutes 13 seconds

Back to the Future Complete Trilogy 2002 3 DVD Set Widescreen
Current Bid: 29.99 + 0.00 (shipping) = 29.99 USD
Time Left: 14 days 8 hours 35 minutes 21 seconds

Back to the Future: The Complete Trilogy (DVD, 2002, 3-Disc Set, Widescreen)
Current Bid: 14.99 + 4.00 (shipping) = 18.99 USD
Time Left: 2 days 17 hours 58 minutes 30 seconds

Back to the Future: The Complete Trilogy (DVD, 2002, 3-Disc Set, Widescreen)
Current Bid: 23.99 + 0.00 (shipping) = 23.99 USD
Time Left: 13 days 17 hours 13 minutes 7 seconds

Back to the Future: The Complete Trilogy (DVD, 2002, 3-Disc Set, Full Frame)
Current Bid: 49.99 + 3.00 (shipping) = 52.99 USD
Time Left: 13 days 20 hours 11 seconds

Back to the Future: The Complete Trilogy (Blu-ray) Brand New & Factory Sealed!
Current Bid: 29.99 + 0.00 (shipping) = 29.99 USD
Time Left: 9 days 11 hours 6 minutes 22 seconds

Back to the Future: The Complete Trilogy (DVD, 2002, 3-Disc Set, Full Frame)
Current Bid: 20.99 + 2.99 (shipping) = 23.98 USD
Time Left: 4 days 14 hours 52 minutes 13 seconds

Back to the Future: The Complete Trilogy (DVD, 2002, 3-Disc Set, Widescreen)
Current Bid: 18.99 + 0.00 (shipping) = 18.99 USD
Time Left: 12 days 10 hours 30 minutes 29 seconds

Back to the Future: The Complete Trilogy (DVD, 2002, 3-Disc Set, Full Frame)
Current Bid: 27.99 + 0.00 (shipping) = 27.99 USD
Time Left: 12 days 17 hours 28 minutes 15 seconds

Back to the Future: The Complete Trilogy (DVD, 2002, 3-Disc Set, Full Frame)
Current Bid: 19.99 + 0.00 (shipping) = 19.99 USD
Time Left: 4 days 22 hours 52 minutes 40 seconds

Back to the Future: The Complete Trilogy (DVD, 2002, 3-Disc Set, Full Frame)
Current Bid: 22.99 + 0.00 (shipping) = 22.99 USD
Time Left: 12 days 13 hours 11 minutes 10 seconds

Back to the Future: The Complete Trilogy (DVD, 2002, 3-Disc Set, Widescreen)
Current Bid: 51.95 + 2.95 (shipping) = 54.90 USD
Time Left: 11 days 16 hours 48 minutes 39 seconds

Back to the Future: The Complete Trilogy (Blu-ray Disc, 2010, 3-Disc Set, UK ver
Current Bid: 25.95 + 0.00 (shipping) = 25.95 USD
Time Left: 10 days 12 hours 37 minutes 12 seconds

Back to the Future: The Complete Trilogy (DVD, 2002, 3-Disc Set, Widescreen)
Current Bid: 15.00 + 3.09 (shipping) = 18.09 USD
Time Left: 5 days 2 hours 29 minutes 14 seconds

Back to the Future: The Complete Trilogy (DVD, 2002, 3-Disc Set, Widescreen)
Current Bid: 19.99 + 3.00 (shipping) = 22.99 USD
Time Left: 10 days 3 hours 44 minutes 4 seconds

Back to the Future Complete Trilogy 1 2 3 ~ NEW BLU-RAY
Current Bid: 51.49 + 0.00 (shipping) = 51.49 USD
Time Left: 10 days 14 hours 30 minutes 16 seconds

Back to the Future: The Complete Trilogy (DVD, 2002, 3-Disc Set, Widescreen)
Current Bid: 10.00 + 0.00 (shipping) = 10.00 USD /
Time Left: 5 days 14 hours 49 minutes 34 seconds

Back to the Future: The Complete Trilogy (DVD, 2002, 3-Disc Set, Widescreen)
Current Bid: 39.99 + 1.99 (shipping) = 41.98 USD
Time Left: 8 days 22 hours 59 minutes 15 seconds

BACK TO THE FUTURE: The Complete Trilogy (DVD, 2002, 3-Disc Set, Widescreen)
Current Bid: 22.49 + 0.00 (shipping) = 22.49 USD
Time Left: 8 days 21 hours 46 minutes 6 seconds

Back to the Future: The Complete Trilogy (DVD, 2002, 3-Disc Set, Widescreen)
Current Bid: 19.90 + 0.00 (shipping) = 19.90 USD
Time Left: 8 days 8 hours 4 minutes 25 seconds

Back to the Future: The Complete Trilogy (DVD, 2002, 3-Disc Set, Widescreen)
Current Bid: 9.99 + 4.00 (shipping) = 13.99 USD
Time Left: 6 days 18 hours 36 minutes 35 seconds

Back to the Future: The Complete Trilogy (DVD, 2002, 3-Disc Set, Widescreen)
Current Bid: 16.99 + 0.00 (shipping) = 16.99 USD /
Time Left: 8 days 6 hours 8 minutes 21 seconds

Back to the Future Complete Trilogy Michael J. Fox Christopher Lloyd Universal
Current Bid: 15.00 + 3.00 (shipping) = 18.00 USD
Time Left: 12 days 9 hours 14 minutes 50 seconds

Back to the Future: The Complete Trilogy (Widescreen Edition)

Bob Gale: Producer

Frank Marshall: Producer

Kathleen Kennedy: Producer

Neil Canton: Producer

Steven Spielberg: Producer

Universal Studios