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Totally Killer is a 2023 American slasher comedy film directed by Nahnatchka Khan from a screenplay by David Matalon, Sasha Perl-Raver, and Jen D'Angelo, and a screen story by Matalon and Perl-Raver. Produced by Jason Blum, under his Blumhouse Television banner, and Adam Hendricks and Greg Gilreath under their Divide/Conquer banner, it stars Kiernan Shipka, Olivia Holt, and Julie Bowen. The story follows Jamie (Shipka) who, after her mother is murdered by the same Sweet 16 Killer who went on a murder spree over 30 years earlier, travels back in time to 1987, where she pairs up with her mother to catch the killer during his original spree and return to her timeline before she is trapped in the past forever.