Josh Gad admits he made one mistake when voicing Olaf.

Star Wars could have been much better off.

Joey from Friends is one of the most endearing characters in TV history, but he's made a ton of mistakes in his life that we can all learn from.

Rachel Green is spoiled but sweet... and she makes plenty of mistakes that fans can learn from in Friends.

Phoebe (and the rest of the Friends) are far from perfect... so here's the big mistakes not to repeat!

When it comes to The Simpsons, Homer is constantly making mistakes and many of them we can all definitely learn from.

Ross was certainly not the smartest member of the Friends cast. He made quite a few mistakes that are just ridiculous.

Pretty Woman was one of the biggest movies of the '90s, but there are some things you might not know even 30 years later.

All of the Friends gang make mistakes from time to time - these are Chandler's biggest mistakes, and the lessons we all learn from them.