Director Alex Gibney's explosive Scientology documentary "Going Clear," based on Lawrence Wright's best-selling book of the same name, premiered Sunday night on HBO.

Many viewers tweeted along as they watched, in shock of the bombshells revealed in the film:

—Haley Joel Osment (@HaleyJoelOsment) March 30, 2015

And of course, there were the jokes:

But many people were waiting to hear a response from Leah Remini, who loudly left the Church of Scientology after 30 years in 2013.

The actress, who watched the HBO documentary on Sunday, tweeted afterward:

She later tweeted links to her posts on Instagram:









After watching the film, Remini gave an official quote to Scientology blogger Tony Ortega: "I wanted to thank the people who are in it and have worked so hard. You, Mike Rinder, Marty Rathbun, Marc Headley, Tom DeVocht, Lawrence Wright, Alex Gibney, and HBO. And Paul Haggis in particular for what he wrote on your website the other day. What Paul wrote is so exactly right."