Roseanne Barr received a call from President Trump on Wednesday congratulating her on the high ratings her comedy had received. “Roseanne” is back on the air after more than two decades.

President Trump made a personal phone call on Wednesday to a political supporter with a huge megaphone — Roseanne Barr.

Mr. Trump called Ms. Barr to congratulate her on the revival of her comedy, “Roseanne,” and to thank her for her support.

The call was confirmed by Sarah Huckabee Sanders, the White House press secretary.

The president, an obsessive about how TV shows perform, was enthralled by the “huge” ratings “Roseanne” had received, said a person familiar with the call. The show’s first episode, broadcast Tuesday evening on ABC, averaged 18.2 million viewers.

“Roseanne,” featuring a working-class family of five and assorted…