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Leah Remini Reveals How Scientology’s Treatment of Kids Leads to ‘Extremely Inflated’ Egos (Video)

Former ”Kings of Queens“ star explains meaning of internal Church phrase to ”Go on Course“

Leah Remini is continuing to push back against Scientology, the controversial religion that had previously counted her among its members since her childhood.

In a snippet from an upcoming “20/20” interview promoting her new tell-all book “Breakthrough,” Remini detailed some of the alleged brainwashing from the church, and how it can give one an unhealthy sense of superiority starting from a young age.

“Because Scientologists view children as spiritual beings, you’re not treated as a kid,” the actress explained in video that debuted on Thursday’s “GMA.” “You’re given a lot of responsibility, your ego becomes extremely inflated.”

Later, she talks about how notoriously hard it is to depart the faith.

“The decision to leave is you are giving up everything you have ever known and everything you have worked for your whole life,” she said of defecting.

Remini also explains in the clip the meaning of Church of Scientology term, to “Go on Course.” Watch the video above.

As a part of the same interview, Remini said that Scientologists view critics of Tom Cruise — the group’s most famous member — as “evil.”

“Being critical of Tom Cruise is being critical of Scientology itself… You are evil,” Remini told ABC’s Dan Harris in previously released quotes.

More from the interview will be released on Friday’s “Good Morning America.” The Remini tell-all conversation airs in its entirety tomorrow night on “20/20.”