Conversation so far:
Who are the announcers on American Ninja Warrior
Iseman and Gbaja-Biamila returned to host the eleventh season along with new sideline reporter Zuri Hall.
What is the genre of the American Ninja Warrior show
The genre of American Ninja Worrior is sports enterteinment, and sports competition.
How many seasons of American Ninja Worrior have been filmed so far
On January 22, 2020, the series American Ninja Worrior was renewed for a twelfth season to air in summer 2020.

Question: When was the first season aired
Self-contained rewrite: When was the first season of American Ninja Worrior aired