25 Best Unscripted Sequences in Cinema

[BreakABone]

Pretty cool video, knew most of these, but funny how many memorable moments are made up on the spot

[manasecret]

Nice find. Good stuff.

As much as I love 40 Year-Old Virgin and many of the other Apatow's movies, the often stark difference between the scripted scenes and improvised scenes is sometimes too obvious.

[Seth]

I was told that Martin Sheen's opening scene in Apocalypse Now was improvised. He was drunk in it and was having a nervous break down about his acting skills.