The 31st Annual Nickelodeon Kids' Choice Awards were held on March 24, 2018 at the Forum in Inglewood, California. John Cena returned as host of the ceremony for the second consecutive year.

The 2018 show was unique in that it took place on the same day as the nationwide "March For Our Lives" event, where kids all over the country marched and protested against school shootings and gun violence. The march was continuously mentioned and cited throughout the show, as many of the attending celebrities were fresh out of the rallies in the Los Angeles area. Cena gave a special shoutout congratulating the attendees of the march, stating that they truly embodied the spirit of Nickelodeon and Kids' Choice.

The telecast was preceded by the premiere of the Henry Danger episode "Back to the Danger, Part 1", and was followed by the Knight Squad episode "Tonight, Two Knight".

Nintendo's mascot Mario once again appeared, setting up a speedrun to collect Power Moons scattered all over the Forum. Barbie also appeared during a special performance, expressing how amazing the performance is and how excited she is to be apart of the show. Then she, along with Laurie Hernandez got slimed, with Barbie saying "#SlimeGoals".

Since this was John's second year hosting, he brought his whole family with him. The Cenas, which are comprised of Mom Cena, Don Cena, Ron Cena, Joan Cena, Sean Cena, and Nana Cena, came to give John a helping hand when he hosted the KCAs. A bunch of crazy antics ensued, such as Nana Cena messing around with Camera 3 during the show and mistaking John's booger for a drop of slime.


Category Winner
Favorite Movie Jumanji: Welcome to the Jungle
Favorite Movie Actor Dwayne Johnson (Jumanji: Welcome to the Jungle)
Favorite Movie Actress Zendaya (Spider-Man: Homecoming and The Greatest Showman)
Favorite Animated Movie Coco
Favorite TV Show Stranger Things
Favorite TV Actor Jace Norman (Henry Danger)
Favorite TV Actress Millie Bobby Brown (Stranger Things)
Favorite Cartoon SpongeBob SquarePants
Favorite Music Group Fifth Harmony
Favorite Male Artist Shawn Mendes
Favorite Female Artist Demi Lovato
Favorite Song "Shape of You" – Ed Sheeran
Favorite Breakout Artist Camila Cabello
Favorite Global Music Star BTS
Favorite Funny YouTube Creator Liza Koshy
Favorite Musical YouTube Creator JoJo Siwa
Favorite Video Game Just Dance 2018
Favorite Instagram Pet Jiffpom
Favorite Dance Trend "The Backpack Kid"/"Swish Swish" – Russell Horning and Katy Perry