Bush once backed a ban on same-sex marriage but on Thursday he and DeGeneres warmly chatted about family, pets, Putin, and a free press.
"The verdict is not in yet," said the creator of the LGBT miniseries, which received initial reports of low viewership.
Meet the real-life activists who devoted their lives to equality.
Thankfully, the bisexual superstar is everywhere these days.
Creator Dustin Lance Black discussed the show's third night, including why he included archival footage of a "heartbreaking" cameo and the AIDS Memorial Quilt.
"Ellen's Game of Games" will be very familiar to fans of her talk show.
Low ratings continue to plague LGBT television shows.