Critics are calling it one of the most important shows on television.
The new show Pitch tells the story of Major League Baseball's first ever female pitcher.
Kylie Bunbury plays Ginny Baker the woman making history by taking the mound.
And Mark Paul Gosselaar plays her catcher Mike Lawson.
They both spoke with KTVU on Tuesday morning. Watch the interview in the video box above.
Pitch airs Thursday nights at 9 p.m. on KTVU.