While Bill Cosby got his 2018 aggravated indecent assault charge overturned, the court of public opinion is still in session and a new documentary is exploring the embattled comedian's legacy with a powerful message.

The trailer for the four-part documentary series "We Need To Talk About Bill Cosby" dropped Thursday (January 20) showing director W. Kamau Bell and others actively processing the fact that Cosby is a beloved television personality and someone who was drugging and assaulting multiple women.

Some people shown in the trailer, however, suggested Cosby was hiding in plain sight for years, "dropping breadcrumbs" about who he really is, as one woman in the trailer described it.

The trailer begins with a straightforward message: "Do not edit this, a lot of people knew. Because you cannot do what he did, unless you have a lot of people supporting."

"We thought we knew Cosby. We never knew Cosby," one woman says in a later clip.

Check out the full trailer below. The documentary will air on Showtime beginning January 30.

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