Sony Pictures Television has announced Mike Richards, and Mayim Bialik will share the hosting duties of the long-running game show "Jeopardy!" Richards previously hosted the game shows "Divided" and "The Pyramid" and the reality television programs "High School Reunion" and "Beauty and the Geek"; he is also the producer of "Wheel of Fortune." Bialik will host the show's primetime and spinoff series, including the upcoming all-new "Jeopardy! National College Championship." Bialik is best known for her role on "Blossom" and "Big Bang Theory.” Since the death of longtime "Jeopardy!" host Alex Trebek last November, the show has been helmed by a series of rotating guest hosts. "Jeopardy!" will begin production on its 38th season in mid-August.