I hope it isn’t a fake. It looks like it could be legit?:

Darth Vader’s Redemption - Cinema Reaction (1983)

https://www.youtube.com/watch?v=MhHn6oD-B7M - a 2 minute video at the Clavis YouTube channel.

“Newly discovered clip of audience reaction to Anakin Skywalker’s redemption. It was filmed for a local news station segment displaying the public of Phoenix’s enthusiasm for the conclusion to the original trilogy.” Posted in July 2022.

From a time when “Force Lightning” wasn’t yet a thing.