A time skip would have shown a more mature Lion-O.

Their relationship and Tygra’s complex backstory were slated for deeper exploration.

The show was moved to unfavorable time slots, hurting its live viewership numbers.

A massive war involving the various animal kingdoms of Third Earth uniting against the lizard army. The Power of Fan Petitions

A deeper dive into the ancient technology that empowered the villain.

A potential crossover or introduction of the space-faring heroes was hinted at.