In an interview during the making of Babylon 5, creator J. Michael Straczynski said that left to their own devices, writers would try to improve their work until “the heat death of the universe.” Star Wars creator George Lucas has certainly done his best to live up to that mantra, with yet another series of changes present in the recent Blu-ray releases of the six Star Wars movies.

If you’re really interested in knowing when the Jedi Temple was restored to the end of Return of the Sith, when Luke’s lightsaber switched from green to blue (or is it white?), or exactly how the confrontation between Han and Greedo has been altered, then click here to take advantage of the incredible compilation work carried out by The Geek Twins.