A relatively light affair carries a sense of foreboding that continues until a shocking wallop of an ending.
Overnight ratings report for the Flash episode "Enter Zoom"
Screen captures from a preview clip promoting the Flash episode "Enter Zoom"
Preview images for the Flash episode titled "Enter Zoom"
Screen captures from the extended preview for the Flash episode "Enter Zoom"
Promo trailer previewing the Flash episode "Enter Zoom"
Official CW synopsis for The Flash episode Enter Zoom