Well before George Lucas "fixed" mistakes in his movies by adding cheesy CGI characters and effects then eliminating the original cut he and the original Star Wars trilogy crew simply left them all in.
These mistakes became geeky easter eggs for fans to discover and discuss online, but most of these nerfherded scenes were originally left in the films because it would have cost too much to re-shoot the scenes.
Screen Rant is back with another entertaining compilation of cinematic calamities, this time focusing on the original Star Wars trilogy to reveal mistakes we might have missed. Who knew Jedis had to plug in their lightsabers?!