See the preview of the Carrie Fisher-Debbie Reynolds Documentary

LOS ANGELES (WDEF) Still trying to wrap your head around how a mother and daughter could died within days of each other?

A new documentary airing on HBO in January will explain the special relationship between stars Debbie Reynolds and Carrie Fisher.

Bright Lights: Starring Carrie Fisher and Debbie Reynolds debuts Saturday at 8PM.

The HBO films documentary was already on the schedule for Fisher’s untimely death in December, and her mother, who could not literally live without her.

Here is a taste.