The episode aired Tuesday night on ABC.
For the first time, less than 10 million viewers watched the show.
BET is disputing a report saying the show’s viewership collapsed.
Writer-director Ava DuVernay said she “cried” after receiving the viewing data.
The ceremony aired Monday night across several cable channels.
Four-part series was co-written, produced and directed by Ava DuVernay.
The primetime special also included a live performance of “All in the Family.”
Beyoncé’s tribute to Historically Black Colleges and Universities aired April 17.
Wednesday night’s episode featured TV’s first gay, black wedding.
Ratings for the Fox series continues to slip.