Critics at Rotten Tomatoes noted that while the opening and closing scenes were gripping, the middle sections—particularly the recurring parenting drama between Barry, Iris, and Nora—felt repetitive.
The episode concludes on a jarring cliffhanger where Ralph tries to stop Barry from destroying Cicada's dagger. Some fans on Reddit and Den of Geek found the editing of this final moment too sudden, though it effectively set the stage for the finale. Ratings Summary The Flash Season 5 Episode 21 Review - Den of Geek The Girl With The Red LightningThe Flash : Seas...
Despite the "overprotective parents" trope, critics appreciated Nora’s eventual recognition as a hero in her own right, particularly through her use of a psychic link with Cicada. Critics at Rotten Tomatoes noted that while the
Ralph received high praise for being the only team member to correctly suspect Thawne’s master plan, with reviewers enjoying his evolution from comic relief to a competent detective. Ratings Summary The Flash Season 5 Episode 21