Fighting Spirit Unleashed (2021)

Fighting Spirit Unleashed (2021) was a professional wrestling event promoted by New Japan Pro-Wrestling (NJPW). It was the fourth event held under the Fighting Spirit Unleashed name.

The event was a taping of New Japan Pro-Wrestling of America (NJoA)'s weekly show, NJPW Strong. It consisted of three different episodes taped on the same day and in front of the same audience at the Thunder Studios in Long Beach, California on August 16, 2021. The episodes would begin airing from September 18.

Storylines
Fighting Spirit Unleashed featured professional wrestling matches on each show that involved different wrestlers from pre-existing scripted feuds and storylines. Wrestlers portray villains, heroes, or less distinguishable characters in the scripted events that build tension and culminate in a wrestling match or series of matches.