Other mistake: Moira's arms are disproportionately long when she rescues Xavier from falling into the pit. (00:12:30)
Other mistake: When the two civilians are walking past Joe McTaggert's campaign posters, they are shown to be walking unusually fast, almost as if the ground beneath them is moving them forward between strides (similar to as if you were walking on a moving sidewalk inside an airport). (00:03:00)
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.
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