Totally Killer delivers a wildly entertaining blend of horror, comedy, and sci-fi that revitalizes the slasher genre with a clever time-travel premise. When 17-year-old Jamie (Kiernan Shipka) finds herself transported back to 1987, she must prevent the infamous Sweet Sixteen Killer's initial murder spree. The film smartly contrasts modern sensibilities with 80s culture, creating hilarious fish-out-of-water scenarios alongside genuine suspense.

Director Nahnatchka Khan balances tones expertly, delivering both genuine scares and laugh-out-loud comedy. Kiernan Shipka anchors the film with a charismatic performance, equally convincing as a terrified teen and determined hero. The supporting cast, including Olivia Holt and Julie Bowen, adds depth to both timelines.

What makes Totally Killer particularly engaging is how it plays with slasher tropes while offering fresh commentary on generational differences. The 1987 setting isn't just nostalgia bait—it's integral to the plot and character dynamics. The mystery elements keep viewers guessing, while the comedic moments provide perfect relief from the tension.

For horror fans seeking something inventive and viewers who enjoy genre-blending entertainment, Totally Killer offers a thoroughly satisfying watch. Its 106-minute runtime flies by with perfect pacing, and the 6.5 IMDb rating undersells how much fun this movie delivers. Stream it for a unique mix of chills, laughs, and time-travel twists that will keep you entertained from start to finish.