American Ninja Warrior 4, Sasukepedia Wiki

American Ninja Warrior 4 was the fourth season of American Ninja Warrior, which premiered on May 20th, 2012. For this season, Matt Iseman returned as the host for his third season, while Jonny Moseley and Angela Sun replaced Jimmy Smith and Alison Haislip as the co-host and sideline reporter respectively. This season brought some major changes for the competition, compared to the past three American Ninja Warrior seasons: Instead of just 1 region for qualifying round (held in Los Angeles/Venice

A Viewer's Top 10 American Ninja Warrior Obstacles - American Ninja Warrior Nation

Makoto Nagano's final Ninja Warrior run before retirement : r/videos

A Viewer's Top 10 American Ninja Warrior Obstacles - American Ninja Warrior Nation

Local ninja warrior community finds inspiration in NBC show

10 Oldest Japanese Ninja Warrior (SASUKE) Contestants

A Viewer's Top 10 American Ninja Warrior Obstacles - American Ninja Warrior Nation

American Ninja Warrior: USA vs. The World 4, Sasukepedia Wiki

American Ninja Warrior's new format is a mess – reality blurred

Trevor Parks - Ninja Warrior

Ninja Warrior, Sasukepedia Wiki

PHOTOS: Ninja