Greatest Unscripted Scenes

The man throwing the can and saying "Think fast!" is an extra and he did this without being told.

The line "It's in the hole!" was improvised.

The whole "annoying sound" sequence was improvised.

The entire scene was unscripted. On the extras of the movie DVD it goes on for about 6 minutes.

The entire "farting wife" sequence was unscripted.

The explosion stoping was scripted but Heath Ledger's actions were unscripted.

The "Game over, man" line was unscripted.

Bill Murray's character had to make it look like he'd been talking through the entire party. The whole dialogue was improvised.

The delivery of the line "Give me the fucking keys" was improvised by all actors.

The line "Warriors, come out to play-ay-ay" was unscripted.

"Leave the gun" was in the script, but "Take the cannoli" was improvised.

The action and line "Mein Führer! I can walk!" was improvised and it wasn't the scripted ending.

The story of Matt Damon's character was entirely improvised.

The line "You're gonna need a bigger boat" was unscripted.

the line "I know" was unscripted.

Michael Madsen was not told what to do with the ear. Movements and dialogues are improvised.

The line "Here's looking at you kid" was unscripted.

The sneeze was not in the script. The scene was cut short because the actors couldn't stop laughing.

The line "Here's Johnny!" was improvised. Jack Nicholson took it from "The Tonight Show Starring Johnny Carson".

The line "Like tears in the rain" was improvised.

The taxi in the scene was a real taxi that ignored the filming signs. Dustin Hoffman improvised "I'm walking here" and the rest of the scene.

Stanley Kubrick wasn't satisfied with the script version of this scene. When Malcom McDowell started singing, without being told, Kubrick soon liked it.

Robert De Niro was only told to talk to the mirror. The famous line "You're talking to me? was improvised.

The famous "shhhh" sound was added on the spot by Anthony Hopkins.

Essentially the whole dialogue by the drill instructor was improvised.