I'm still hopeful they'll release a full season; even though they have all the backgrounds and they might be able to re-use from the pilot, I'm sure they'll have to create new ones from scratch for the first (second?) episode and work on the story. So, depending on they're workflow (how digital it is) they'll maybe release the first episode near the end of this month or mid-March, or August if they're doing everything by hand.

Interview with Dana Terrace about KoG (Unlisted)  
/watch?v=lm6tEcvVUy4

https://brianlemay.com/Pages/animationschool/animation/lipsyncbook/timing.html

https://www.huffingtonpost.co.uk/entry/how-long-to-animate-tv-show_uk_66cdf428e4b0fa7cef5ac6d9

^ Lots of javascript on this page so:

Hartman agreed, saying Danny Phantom and Fairly OddParents both consisted of two 11-minute animated sections.

In the end, it would take “about ten months to do.”

That’s from conceiving the script to completion, though, he says.

However he adds “it’s sped up now with flash animation to about six months, but that’s about the time.”