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 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.

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.

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.

It’s time to look over more Disney scenes you didn’t know were improvised. For this list, we’re looking at both live-action and animated scenes where the actor, or actors, ad-libbed a line, lines or entire scenes.

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.

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.

Sometimes the best moments are made up on the spot! For this list, we’re looking at ad-libbed, improvised, and unscripted moments in the Marvel Cinematic Universe.

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.

If you don't believe RDJ is a master improviser, these unscripted moments should convince you. Welcome to WatchMojo, and today we’re counting down our picks for the best reportedly improvised moments by Robert Downey Jr. that made the final cut.

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.

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.