Other mistake: When the kids are running, Socks' eyes are missing for only 2 frames.
Continuity mistake: At the diner when Tsunoda and Retsuko are talking, Tsunoda pulls out a red phone with a white heart on it from her purse. In the close up she is pulling it out with her left hand and the phone is horizontal with the heart on its side. It then cuts to a wide angle and suddenly she's holding the phone upright with both hands.
Continuity mistake: After Cat Burglar steals Craig's staff at the award ceremony Silver Fist goes after Cat Burglar, and just as Silver Fist climbs up on the roof, his crossed straps become crossed the opposite way, mid shot. (00:05:50)