Kyoteki! Ankoku shiten oh arawaru - S1-E9
Other mistake: Shun is looking at the marks left by his brother when he was punching the tree in training 6 years before. Considering that he was around 12 (much younger if you go by the manga) at the time, one wonders how the punch marks can be well above Shun's head. (00:07:00)
Kyoteki! Ankoku shiten oh arawaru - S1-E9
Other mistake: When Black Cygnus beats Shun up, Shun's armor keeps bending and folding as if it were made of fabric, not a solid piece. (00:11:20)
Kyoteki! Ankoku shiten oh arawaru - S1-E9
Other mistake: Black Cygnus gets his fist frozen by the real Hyoga. When he is looking around, the leotard under his armor is pitch black instead of navy. (00:12:00)
Kyoteki! Ankoku shiten oh arawaru - S1-E9
Factual error: Unless the police dog is also a Saint with extraordinary powers, it's kinda impossible that he'd have followed a scent over 6 years old, through a public park even. (00:13:40)
Kyoteki! Ankoku shiten oh arawaru - S1-E9
Other mistake: Hyoga freezes Black Cygnus' leg solid, and he is obviously at great disadvantage and needs to be saved by Black Andromeda, but a mere moment later he just leaps to join the other 3 fellas as if nothing happened. (00:16:00)
Kyoteki! Ankoku shiten oh arawaru - S1-E9
Character mistake: When Black Dragon visualizes himself dealing a mighty blow to Shiryu, the Bronze Saint is wearing two Dragon Shields instead of one. (00:22:10)