"I grew up on network sitcoms. If those are gone when I'm 65-years-old, I would never forgive myself... I grew up watching a box in my living room that made my parents happy.
Harmon talked about his return to the comedy while promoting his new animated series "Rick & Morty" for Adult Swim.
"Rick & Morty" premieres in December. It's about the adventures of a genius inventor and his less intelligent grandson.
Alicia Rancilio covers entertainment for The Associated Press. Follow her online at http://www.twitter.com/aliciar