Megan Mullally

Who's the funniest woman ever to appear on television?

From Lucille Ball's physical comedy on I Love Lucy to Tina's Fey's witty dialogue on 30 Rock, TV Guide Network is counting down the most comedic ladies who have graced the small screen.

Hosted by Will & Grace's Megan Mullally, Funniest Women on TV will feature interviews with Betty White and Doris Roberts, who made the list of 25.

Also making the cut: sitcom stars Julia Louis-Dreyfus, Fran Drescher and Patricia Heaton, talk show hosts Ellen DeGeneres and Whoopi Goldberg, former Friends Jennifer Aniston and Courteney Cox, as well as Kathy Griffin and Amy Poehler.

Funniest Women on TV airs Sunday, July 3 at 8/7c on TV Guide Network.

Watch a clip from the special: