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.

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.

You can't write this stuff! Join http://www.WatchMojo.com as we count down our picks for the top 10 improvised movie moments. For this list, we’ve chosen movie scenes or lines that were ad-libbed or otherwise changed by an actor in the heat of the moment.

These improvised on-screen kisses couldn’t have felt more natural. For this list, we’ll be looking at movie and television kisses that reportedly weren’t scripted, but made it into the finished product anyway.

There’s not a lot of room for improvisation in scripted television, but when it works, it really works. Welcome to WatchMojo.com, and today we’re counting down our picks for the Top 10 Hilarious Improvised TV Moments. For this list, we’ll be looking at the funniest moments in television that were apparently improvised by the actors. We’ll be ranking our list based on the brilliance of the joke and how well it incorporates into the character dynamic and story.

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

These heroes played things off the cuff. Join http://www.WatchMojo.com as we count down our picks for the Top 10 Superhero Movie Moments Actors Improvised.

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.

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.

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.

Avengers... ad lib! Welcome to WatchMojo, and today we’re counting down our picks for the best improvised, unplanned, and off-the-cuff moments in the Marvel Cinematic Universe. There will be a few spoilers ahead.