Chikyu Sentai Fiveman Episode Previews

From what I understand, this is the series that nearly led to the cancellation of the Super Sentai franchise... Let's look back on Chikyu Sentai Fiveman!
Explanation: Due to the low ratings and (supposedly) low toy sales of Fiveman, Jetman was going to be the final series in the Super Sentai franchise. However, Jetman ended up being very popular and (supposedly) saved the franchise from cancellation.
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Note: The idea to make sentai episode preview videos was inspired by another channel that made videos like this.
However, since those videos do not appear to be up any longer, I decided to make some of my own as they're a nice way to quickly experience a sentai, "re-live" a sentai, or explore the contrasts between a sentai and its Power Rangers adaptation.
I can't remember the name of the channel, but, if you're reading this, know that I'm trying to give you credit.