In a surprise move, Jeopardy! has selected actor Mayim Bialik and current executive producer Mike Richards as permanent new hosts of the game show.

"There will only ever be one Alex Trebek, but I'm honored to be helping Jeopardy! out with this in January," said Jennings, one of the show's all-time top winners.

"I love spending time with bright people," said the longtime game show host. Trebek began hosting the trivia show in 1984 and continued for nearly four decades, even through bouts of chemotherapy.

Alex Trebek has a message of support for Congressman John Lewis as both fight pancreatic cancer. “We’re starting a new year, and let’s see if we can’t...