Critical Role's cofounders say they faced 3 big challenges making their new Prime Video series

• Critical Role's "The Mighty Nein" animated series is out on Prime Video. • The eight co-founders of Critical Role spoke with Business Insider about what went into creating the show. • "The Mighty Nein" is the crew's second animated series project with Amazon.

The eight cofounders of the nerdworld business Critical Role came roaring back to Prime Video with the November debut of "The Mighty Nein."

The business's eight cofounders first started out streaming their home "Dungeons & Dragons" game on Twitch. Then, in 2019, CR raised seed funding of over $11.3 million to create the animated series "The Legend of Vox Machina."

"The Mighty Nein," based on their second Twitch-streamed "D&D" campaign, is their second animated series on Prime Video.

In an interview with Business Insider in N