Reinforcements from the Future was the first American made crossover, as there was no Gaoranger vs Timeranger. And was the last crossover until Thunder Storm 2 years later. And it's still one

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Reinforcements from the Future, RangerWiki

Power Rangers: The 10 Best Crossover Episodes, Ranked

Kaizoku Sentai Gokaiger, RangerWiki

Has Power Rangers gotten better or worse over the years? - Quora

Question.this was the best episode to me as it showed Danny how easy it is for him to go to the dark side and become the most powerful ghost of all time.

Ranger Ranker! #11 – Power Rangers Wild Force – The Avocado

What power rangers series are worth watching? Should I bother watching any or just specific episodes? - Quora

A minor Easter egg: the opening of the new trailer mirrors the first panels from Doctor Strange's first comics appearance. : r/marvelstudios

Question.this was the best episode to me as it showed Danny how easy it is for him to go to the dark side and become the most powerful ghost of all time.