You know how the old saying goes: if it ain’t on the page… no worries, the actor can just make something up! For this list, we’re taking a look at even more incredible film moments that were not in the original script, and that the actors improvised or ad-libbed either in rehearsal or on the shoot day. Our list includes scenes from “The Breakfast Club”, “Reservoir Dogs”, “Aliens”, and more! Join WatchMojo as we count down our picks for the Top 10 Yet Another Improvised Movie Moments.

For that great scene, these actors put the 'improv' in improvement. Join http://www.WatchMojo.com as we count down our picks for another top 10 improvised movie moments.

Cinematic magic can happen unexpectedly. Welcome to WatchMojo, and today we’re counting down our picks for Jim Carrey’s best improvised and unplanned movie moments.

Sometimes, movie magic isn't solely found in the script. Welcome to WatchMojo, and today we’re counting down our picks for the most legendary and iconic movie scenes that were improvised.

Sometimes the best moments are improvised! For this list, we’ll be looking at film scenes or lines that were ad-libbed, unplanned, or otherwise changed from what they were originally supposed to be.

You can’t write this stuff! Join http://www.WatchMojo.com as we count down our picks for the top 20 improvised movie moments.

Welcome to WatchMojo, and today we’re counting down our picks for the top moments from superhero films that were not in the script.

But, why male models? For this list, we’ll be looking at the best moments from films from the first decade of the 21st century that were not in the script.

Improvisation is an art! For this list, we’ll be looking at our favorite 1990s film moments that were somehow invented on the spot.

We're so happy these unscripted Christmas movie moments were left in. For this list, we’ll be looking at moments from our favorite festive flicks that might not have been in the original script, but someone behind the scenes decided to include in the final cut as a holiday gift to moviegoers.

These unscripted comedy movie moments are hilarious! For this list, we’ll be looking at the best examples of improvisation in films that were either written, directed, or produced by the often comedic filmmaker.

These unscripted movie moments put the screenwriter to shame! For this list, we’ll be looking at unintentional lines and actions in film scenes that went on to become legendary.

We're so glad these unscripted rom-com moments were kept in the movie. For this list, we’ll be looking at some romantic and comedic improvisations that made it into the final cut of rom-coms.

These unscripted moments are amazing! For this list, we’ll be going over the improvised or otherwise unplanned moments from films based on DC Comics properties.

Well, that was surprising. For this list, we'll be ranking the classic, iconic or memorable moments from horror cinema that were performed off the cuff or otherwise not included in the original script.