Jerry Lewis Improvises Oscars Finale for 20 Minutes (1959)
Lewis hosted the show in 1959, but for some reason, the show ended 20 minutes early, so he improvised a monologue for the rest of the show, which was joked about for many years after that.
At the 2017 Oscars, Warren Beatty declared “La La Land” the winner of Best Picture. When everyone was giving their acceptance speeches, people started to realize there was a mix up — “Moonlight” had actually won. Everyone thought it was a “oh, no, ‘Moonlight’ deserved it” moment, but it wasn’t. It was a straight-up Steve Harvey moment, and it will go down as one of the most outrageous moments in history.
Marlon Brando Refuses Best Actor Oscar (1973)
When Brando won the award for Best Actor for his role in “The Godfather,” he sent up Sacheen Littlefeather to wave away the statue and say that Brando couldn’t accept the award due to the treatment of Native Americans in the film industry.
Man Streaks on the Oscar Stage (1974)
While David Niven was hosting the Oscars in 1974, he was surprised when Robert Opel decided to streak across stage, flashing a peace sign.
Rob Lowe and Snow White’s Disastrous Musical Opening (1989)
This musical number was torn apart by critics, attracted a lawsuit from Disney, and had Julie Andrews, Paul Newman, Sidney Lumet and Gregory Peck co-signing a letter, calling it an “embarrassment” and “demeaning.”
Jack Palance Does Push-Ups on Stage (1992)
When Palance won the Supporting Actor award for “City Slickers,” he talked about producers taking risks with older actors. To give an example, he popped down onto the floor and did some push ups.
Tom Hanks Thanks (and Outs?) His High School Teacher (1993)
Tom Hanks delivered one of the most outstanding acceptance speeches when he won the Best Actor award for “Philadelphia.” He also gave a shout-out to his high school drama teacher as one of “the finest gay Americans I have known.” (Hanks had contacted his long-retired teacher beforehand, but the incident inspired the 1997 comedy “In & Out.”)
Roberto Benigni Goes Wild (1999)
When Roberto Benigni won the Oscar for Foreign Language Film in 1999, (“Life Is Beautiful”), he went wild and climbed on chairs, jumped around and hopped onto the stage.
Halle Berry’s Oscar Speech (2002)
Berry was the first African-American woman to win a Best Actress Oscar, and in her speech, called her award a door-opening moment for “every nameless, faceless woman of color that now has a chance.”
Melissa Leo Swears on Stage (2011)
When Leo accepted the award for Best Supporting Actress for her role in “The Fighter,” she was so nervous that she kept cussing throughout the entire speech.
Ellen’s Superstar Selfie (2014)
Ellen DeGeneres hosted the 2014 Oscars and wanted to break the record for the most retweeted photo of all time, so she snapped a star-studded picture with Jennifer Lawrence, Angelina Jolie, Brad Pitt, Julia Roberts, Meryl Streep, Bradley Cooper and Meryl Streep.
Sean Penn‘s Fail of a Joke About Alejandro Inarritu (2015)
Sean Penn introduced the winner of Best Picture, “Birdman,” by saying, “who gave this son of a bitch his green card?” before announcing Alejandro Inarritu’s name. However, the joke was completely lost on audiences and many criticized Penn for being racist.
Read original story 20 Most Outrageous Oscar Moments in History, Including That ‘Moonlight’ Surprise (Videos) At TheWrap