Birmingham city councilwoman Carole Smitherman will attend and discuss her role in the 1997 documentary. She was a childhood friend of one of the four girls who died in the 1963 bombing of Birmingham's 16th Street Baptist Church.
Directed by Spike Lee, 4 Little Girls was nominated for an Academy Award for best documentary.
The event is sponsored by the Samford chapter of Delta Sigma Theta sorority. The planetarium is located in Samford's Propst Hall.