Remember the awesome scene in Raiders of the Lost Ark where Indy shoots the swordsman? Yeah well, the only reason they included that in the movie is that Harrison Ford had the shits -- as we've mentioned before, Ford had dysentery and didn't feel like performing a sword fight like the script called for, so they improvised that joke on the set. Apparently that sort of thing happens in Hollywood all the time: Here are some examples of memorable scenes (or even entire movies) that only happened because something went wrong.
(Something went right with Cracked's new Star Wars mini-series. See exactly what by clicking right here.)
6 The Empire Strikes Back -- Han Solo Was Frozen Because They Didn't Know if Harrison Ford Would Play Him Again
The carbonite scene in The Empire Strikes Back is arguably the most iconic moment in the entire movie that doesn't include the words "I am your father." In it, Han Solo has been captured by Darth Vader and is frozen alive into a slab of carbon to be turned over to Jabba the Hutt, while the love of his life watches helplessly.
Princess Leia is there, too.
The scene also includes the dialogue that defines Han Solo: When Leia says "I love you" to Han for the first time ever, he just looks at her and says "I know." The man is being dragged by Stormtroopers into a machine that freezes people, for all he knows these are his last living moments before Jabba uses him to refresh several hundred pina coladas, and somehow he still finds the time to be cooler than everyone else in the room.
But They Only Included It Because ...
Basically, that scene only exists because Harrison Ford hated Han Solo and wasn't sure if he even wanted to come back for another Star Wars film. None of what we just described was in the original script: The movie was supposed to end with Han and Chewie flying off in the Millennium Falcon, safe and sound.
And the world would have been deprived of so many essential things.
This changed for practical, not artistic, reasons. See, unlike Mark Hamill and Carrie Fisher, Harrison Ford didn't sign up for two more movies after the success of the first Star Wars. Ford thought that Han should just be killed off because he wasn't interesting to him. Since Ford was being such an indecisive Nancy (that's a saying, right? It sounds like it is), George Lucas needed to figure out a way to "freeze" the character for a while in case they later had to explain why he never appeared again. And so Lucas, as one of the greatest creative minds of our time, decided to literally freeze the character.
"Lower him into the convenient plot device!"
By the way, hardcore Star Wars fans know that the iconic "I know" line also almost didn't happen: According to the final script, Han was supposed to reply with a far less original "I love you, too." Ford himself came up with the classic line on the set, not Lucas.
It's fascinating to think that if Ford didn't return, Han Solo would have just stayed frozen or died off screen in Return of the Jedi with Lando Calrissian likely stepping into the sassy space pilot role. This is just another example of how Star Wars wasn't planned from the beginning like Lucas keeps saying.