In The Fresh Prince of Bel Air classic episode from Season 6 I Whoops Their It Is we the viewers get to see the behind the scenes look on the actors who play the banks in the gag real blooper show where they mess up their lines, the scene i am talking about is where alfonso and will are acting crazy and goofy they are walking super fast and will opens the door fast and the door hits him in the face hard to the point he falls to the ground covering his mouth and alfonso says to will are you alright are you ok, was that scene real or fake ?

http://www.youtube.com/watch?v=-Wa4vqESk4A
http://www.youtube.com/watch?v=F36tONrZeHs
http://www.youtube.com/watch?v=GtVahVom_Hk

That whole episode was funny.