It was fast-paced, exciting, suspenseful, and full-on comic book-ish in a way that so much of the dreary tale of Clifford DeVoe failed to be for most of the season that preceded it.
The simple prospect of seeing Barry and Iris interact with their daughter from the future is more than enough to keep the fandom healthy until the Season 5 premiere.
Filled with good moments that stood out, but the episode itself was lacking in buildup, stakes, and needed a bit more character moments to balance it out.