Bryan Cranston (L) accepts the award for outstanding male actor in a drama series for "Breaking Bad" from presenters Neil Patrick Harris and Amy Poehler at the 19th annual Screen Actors Guild Awards in Los Angeles, California January 27, 2013.

CBS says the big reveal is coming for "How I Met Your Mother".

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The network said Wednesday the sitcom will air its ninth and final season next fall.

And CBS Entertainment President Nina Tassler promised that TV's "most mysterious mother" will be unveiled as the show wraps up.

That would be the mystery woman with whom Ted, played by Josh Radnor, ultimately has a family.

The sitcom's cast also includes Neil Patrick Harris, Cobie Smulders, Jason Segel and Alyson Hannigan.

20th Century Fox Television says all the actors will return for the 2013-14 season.