History of Toonami Posted on March 20, 2017March 20, 2017Author Joshua Mathieu (Jmb a.k.a. The Boss) 0 Last Updated on March 20, 2017 at 4:29 am by admin It’s been a wild 20 years. Get a behind-the-scenes look inside the history of your favorite anime block, Toonami! Post Views: 372 Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Tumblr (Opens in new window) Related