So The 'Jeopardy!' Guest Host Rotation Was Apparently All For Show

After all the hype, executive producer Mike Richards will become the show's regular host and actor Mayim Bialik will host prime-time specials and spinoffs.

source https://www.huffpost.com/entry/jeopardy-new-host-mike-richards-mayim-bialik_n_61141d6ee4b0d6935979cafc