Contestants run, jump, crawl, climb, hang, and swing through crazy obstacles as they compete to become the next American Ninja champion.

The heart-racing obstacle course competition series American Ninja Warrior premieres for its eighth season this summer. The action-packed series follows competitors as they tackle the world's most difficult obstacle courses in qualifying and finals rounds across the country. Those that successfully complete the courses in each city will move onto the national finals round in Las Vegas and compete for a $1,000,000 prize. Four of the six obstacles on the Los Angeles course will be new to American Ninja Warrior. For the first time, competitors will face the Floating Steps, Tic Toc, Escalator and Ring Jump. Veteran Ninjas Kevin Bull, Jessie Graff and Grant McCartney return for another shot at completing the course. Matt Iseman and Akbar Gbajabiamila return as hosts as Kristine Leahy co-hosts.

American Ninja Warrior travels to Atlanta, Georgia where competitors tackle six obstacles, including the brand new Floating Steps, Block Run and Pipe Fitter. American Ninja Warrior veterans Drew Drechsel and Neil Crazy Craver return, along with seven-time competitor Travis Rosen. Competitors in this rigorous obstacle course competition series vie for a chance to win a cash prize of $1,000,000 and the title American Ninja Warrior. Matt Iseman and Akbar Gbajabiamila host as Kristine Leahy co-hosts.

American Ninja Warrior travels to Indianapolis, Indiana where competitors tackle six obstacles including the brand new Floating Steps, Fly Wheels and Disk Runner. American Ninja Warrior veterans Meagan Martin and Brian Arnold, from the famed Colorado rock climbing team The Wolfpack, return, while Indianapolis 500 Champion Hélio Castroneves and NASCAR's Ricky Stenhouse Jr. take on the course for the first time. Competitors in this rigorous obstacle course competition series vie for a chance to win a cash prize of $1,000,000 and the title American Ninja Warrior. Matt Iseman and Akbar Gbajabiamila host as Kristine Leahy co-hosts.

Oklahoma City, Oklahoma is the next stop for competitors to give it their all on the American Ninja Warrior obstacle course. Competitors will face several new obstacles, including the Floating Steps, Ring Swing and Rock 'n' Roll. American Ninja Warrior veterans Daniel Gil, Lance Pekus, Brent Steffensen and fan-favorite Kacy Catanzaro return, while American gymnast and Olympic gold medalist Mitch Gaylord takes on the course for the first time. Competitors will vie for a chance to win a cash prize of $1,000,000 and the title American Ninja Warrior. Matt Iseman and Akbar Gbajabiamila hosts as Kristine Leahy co-hosts.

Philadelphia, PA will host the last qualifying round where competitors tackle two new obstacles including, Wall Drop and Rolling Thunder. Ninjas will compete to qualify for the finals in Las Vegas and a shot at winning the grand prize of $1,000,000. Veterans Joe Moravsky, Jamie Rahn, Ryan Stratis, Michelle Warnky and Geoff Britten return. Competitors in this rigorous obstacle course competition series will vie for the title American Ninja Warrior. Matt Iseman and Akbar Gbajabiamila hosts as Kristine Leahy co-hosts.

American Ninja Warrior travels back to Universal Studios' New York Street where the top 30 competitors from the Los Angeles Qualifier tackle the City Finals course. In addition to the obstacles from the City Qualifier, contestants will face the Salmon Ladder, The Wedge, Helix Hang and Invisible Ladder. Top competitors Kevin Bull, Grant McCartney and Jessie Graff will take on the course. Competitors will vie for a chance to compete in the Las Vegas finals, to win a cash prize of $1,000,000 and the title of American Ninja Warrior. Matt Iseman and Akbar Gbajabiamila hosts as Kristine Leahy co-hosts.

American Ninja Warrior returns to Atlanta, Georgia, where the top 30 competitors from the City Qualifier tackle an even more challenging course that includes ten obstacles in the City Finals.

American Ninja Warrior travels back to Indianapolis, Indiana where the top 30 competitors from the City Qualifier tackle an even more challenging course that includes ten obstacles in the City Finals. In addition to the six already difficult obstacles from the Indianapolis Qualifier, contestants will face the Salmon Ladder, Hourglass Drop, Circuit Board and Invisible Ladder. Top ninjas Meagan Martin and Brian Arnold, from the famed Colorado rock climbing team The Wolfpack, will take on the course. The competitors will vie for a chance to compete in the Las Vegas finales, to win a cash prize of $1 million and the title of American Ninja Warrior. Matt Iseman and Akbar Gbajabiamila hosts as Kristine Leahy co-hosts.

American Ninja Warrior returns to Oklahoma City, where the finals round features one new obstacle - the Window Hang - and two modified obstacles from qualifying.

American Ninja Warrior returns to Philadelphia, Pennsylvania where the top 30 competitors from the City Qualifier tackle an even more challenging course that includes ten obstacles in the City Finals. For the first time in American Ninja Warrior history, four women will compete in the Philadelphia Finals. Top female ninjas Michelle Warnky, Rachael Goldstein, Jesse La Breck and Alyssa Beird will take on the course, along with fan-favorites Geoff Britten, Joe Moravsky, Jamie Rahn and Ryan Stratis. In addition to the six already difficult obstacles from the Philadelphia Qualifier, contestants will face the Salmon Ladder, Flying Shelf Grab, Pipe Pyramid and Invisible Ladder. The competitors will vie for a chance to compete in the Las Vegas Finals, to win a cash prize of $1 million and the title of American Ninja Warrior. Matt Iseman and Akbar Gbajabiamila hosts as Kristine Leahy co-hosts.

American Ninja Warrior presents the National Finals where top finalists take on the ultimate challenge - a four-stage course modeled after the epic Japanese Mount Midoriyama.

The National Finals of American Ninja Warrior continue as the top finalists take on the ultimate challenge - a four-stage course modeled after the epic Japanese Mount Midoriayama.

The National Finals of American Ninja Warrior conclude as the top finalists take on the ultimate challenge - a four-stage course modeled after the epic Japanese Mount Midoriyama.