It had good animation (some mouth movements didn't line up) but awful characterization and pacing, this episode turns Steve Rogers, an American hero into a useless burden and Peggy carter into a unlikeable hero.
I really didn't think they could make polkadot man an interesting character but this film did it! It hits all of the right notes and manages to be engaging, horrific and emotional at the same time.
I have watched many marvel/dc shows but this one stands out with amazing music and up to standard cgi and beautiful practical fx and an amazing storyline dc finally did justice to the character after years.