Hollywood meltdowns and guerilla-style filmmaking come together in these motion pictures. Join http://www.WatchMojo.com as we count down our picks for the Top 10 Movies That Started Shooting Without A Completed script.

Brace yourself for comedic chaos as we dive into iconic moments where "SNL" cast members and hosts went hilariously off-script! From unexpected fourth wall breaks and wardrobe malfunctions to unintended profanities and hysterical character breakings, we’re highlighting unforgettable sketches transformed by spontaneous genius. Whether it’s Pete Davidson's laughter, Will Ferrell's antics, or the chaos of Debbie Downer, these unscripted gems are comedic gold. What's your favorite improvised moment?

A lot can change at the last minute. Welcome to MsMojo, and today we’re counting down our picks for the major screenplay revisions that totally changed the movie.

Who needs a script when you have a comedy legend like Paul Rudd on set! For this list, we’ll be looking at loveable improv master Paul Rudd’s best ad-libbed lines!

Hold onto your butts... these dinosaur-sized plot holes had us roaring with frustration! Join us as we count down the moments that made our favorite prehistoric franchise lose all credibility. From defying physics in high heels to taming apex predators with a simple hand gesture, these scenes had us wondering if the script writers were the ones who went extinct.

Even the brightest stars can't outshine a bad script! Join us as we explore the most notable instances where exceptional acting talent couldn't save disappointing films. From Oscar winners to comedy legends, these stellar ensembles deserved better material to work with. Which wasted cast disappointed you the most?

When the script goes out the window, comedy gold follows! Join us as we count down the most hilarious moments when Saturday Night Live performers completely lost their composure on live television. From unexpected props to surprise jokes, these unscripted breaks had everyone struggling to keep it together!

Love can be unpredictable, and sometimes the most memorable movie kisses weren't even in the original script! Join us as we explore the behind-the-scenes stories of iconic on-screen smooches that almost never happened, from unexpected chemistry to last-minute director interventions.

Ces mystères historiques perdurent... mais pour combien de temps encore ? Bienvenus sur WatchMojo Français, aujourd'hui nous faisons le décompte des énigmes historiques qui pourraient potentiellement être résolues dans un avenir proche grâce aux progrès de la technologie, ou aux nouvelles conjectures qui ont émergé.

From accidental injuries to unplanned laughs, some of the best movie moments weren't in the script. Join us as we count down the times actors' mistakes actually improved the scene. These bloopers-turned-brilliance showcase the talent and quick thinking of Hollywood's finest.

Is it a surprise that these characters sometimes go off script? Welcome to MsMojo, and today we’re counting down our picks for the best moments on the groovy sitcom “That ‘70s Show” that may have not been in the original script, but we’re happy they made it to the screen.

Get ready for some unexpected Pogue magic! We're diving into the most memorable unscripted moments from "Outer Banks" that made it to the final cut. From hilarious improvs to heartfelt exchanges, these spontaneous scenes showcase the cast's incredible chemistry and talent. Join us as we explore the off-script gems that made us fall even more in love with the Pogues!

The "Beetlejuice" movies wouldn't be the same without these unscripted moments. Welcome to WatchMojo, and today we’re looking at instances from both “Beetlejuice” movies where the actors and crew went off script, not to mention off the wall.

The best moments aren't always in the script. Welcome to MsMojo, and today we’re counting down our picks for moments that were reportedly improvised or not included in the original script, which made their scenes that much more memorable.

"New Girl" was full of happy accidents. Welcome to MsMojo, and today, we’re counting down our picks for the moments and dialogue that weren’t part of the original script or that were spontaneous add-ins by the cast of “New Girl.”