WATCH: Oprah's Next Chapter: Gay Hollywood

Oprah Winfrey will host an in-depth conversation about the being gay in America with three out Hollywood heavy hitters on Oprah's Next Chapter: Gay Hollywood.

Airing Sunday at 9 p.m. Eastern/Pacific on OWN the program will feature actress-comic Wanda Sykes, Modern Family star Jesse Tyler Ferguson, and Scandal Emmy award-winner Dan Bucatinsky as they open up about the moment they realized they were gay, their coming-out process, and the reactions of their family members when they learned of their sexuality.

The actors also discuss the current state of LGBT visibility on television, the importance of role models, and how being gay has affected their careers in Hollywood.

Take a look at several clips from the upcoming show below.

First Look: Dan Bucatinsky and Wanda Sykes Discuss Same-Sex Marriage

While there are some who still believe that same-sex marriage will damage the country, comedian Wanda Sykes says she never understood why people get upset about something that doesn't affect them. Watch as actor Dan Bucatinsky, a gay man who's raising two children with his husband of 21 years, argues that if getting married on reality TV doesn't threaten the sanctity of marriage, neither should his relationship.

First Look: Wanda Sykes' "Trifecta of Discrimination"

When she was 44 years old, Emmy-nominated comedian Wanda Sykes came out during a gay rights rally. Since then, she says, Wanda's faced a "trifecta of discrimination" because she's black, gay and a woman. Watch as she shares how her family struggled with what the black community would say about her sexuality.

First Look: Why Jesse Tyler Ferguson Had to Come Out to His Dad 3 Times

Onscreen, actor Jesse Tyler Ferguson's character Mitchell, one half of Modern Family's favorite same-sex couple, recently got engaged to his longtime partner, Cam. In real life, Jesse married his husband, Justin Mikita, in July 2013. Watch as Jesse talks to Oprah about coming out to his parents and why it was a process for him and his father.