How Do You Solve a Problem Like Killer Frost?

One of the bright spots in The Flash Season 3 was the emergence of Caitlin Snow’s alter ego Killer Frost. Although much of the season’s arc – which involved a villainous speedster from the future named Savitar – often felt overly dark and repetitive, Caitlin’s struggle with her metahuman abilities was both interesting and necessary. Her transformation into Killer Frost not only forced her to wrestle with her inner darkness head on, but it reshuffled many of the longstanding relationships amongst the show’s core team. Over the course of the season Caitlin kept secrets, lied, and underwent a transformation that caused her to abandon her friends and join forces with Savitar.

Killer Frost ultimately couldn’t bring herself to harm her former friends, leading to an interesting and open-ended finale in which it seemed as though the woman who was once Caitlin Snow had evolved into someone new. Her decision to reject Julian’s proposed metahuman cure was not only a deliberate choice, but one which felt completely organic for her character. After everything that happened, this person wasn’t Caitlin Snow anymore, but she wasn’t Killer Frost either. The prospect of discovering that character – and of finally giving original Flash team member Caitlin a story that focused on her own agency and development – felt like a welcome progression.

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