Continuity mistake: When Omega Red ties up the parliament member with his coils, there is a space of about two feet between the man and Omega Red's wrist. When Omega Red begins siphoning the man's life force and reeling him closer, there is suddenly more distance between the two. (00:09:24)
Continuity mistake: When Omega Red is at the podium and gloating about the rebirth of the Soviet Union, the hammer and sickle emblem on the podium is the same color as the rest of the podium. When he destroys the podium, the hammer and sickle is now red on a blue background. (00:15:08)
Continuity mistake: When Xavier and Magneto are trying to escape from Vertigo, Xavier cuts the ropes of the bridge they are on, leading him and Magneto to swing into the cliff wall and hop down safely to a ledge below. When they look back up at Vertigo, she is at roughly their 10 o'clock, with the other side of the bridge by her feet. Considering that they just dropped down onto the ledge and have only moved a couple steps to their left, the other side of the bridge should still be directly across from them. (00:15:45)
Answer: It appears a number of factors led to its demise. It was originally intended to air for 65 episodes, but its popularity extended that. However, there were continual production quality problems, issues regarding whether the content was suitable enough for children, as well as financial considerations that finally led to it being ended.
raywest ★