A popular daytime television star suddenly called it quits on Monday, saying he’s resigning next month — and will be replaced by his daughter.

Mehmet Oz will end his “Dr. Oz” syndicated talk show next month to focus on his U.S. Senate campaign, and producers will replace it with a cooking show featuring his daughter.

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The “Dr. Oz” show, in its 13th season, will air its last episode on Jan. 14, Sony Pictures Television said on Monday.

The heart surgeon and talk show host is running for the U.S. Senate as a Republican in Pennsylvania. Television stations in Philadelphia, New York City, and Cleveland that are seen in Pennsylvania had already taken “Dr. Oz” off the air, for fear that the Federal Communications Commission’s “equal time” rules would allow rival candidates to seek similar air time.

In many parts of the country, “Dr. Oz” will be replaced by “The Good Dish,” a combination talk-cooking show where hosts Daphne Oz, Gail Simmons and Jamika Pessoa will serve up a dish of the day.

Producers boasted it would be “the most fun you can have in the kitchen without having to do the dishes.”

The show is an outgrowth of a weekly segment on “Dr. Oz,” much like Oz’s television career got an early boost from Oprah Winfrey.

Sony said it has commitments to air “The Good Dish” in stations representing 90% of the nation’s population.

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“The Good Dish” begins Jan. 17, Sony said.

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The Associated Press contributed to this article