Season 4 of “The Boys” has made a strong debut, according to Amazon. The studio says that the new episodes achieved 21% more viewers in its first four days of streaming than Season 3’s launch reached in the same amount of time, though exact figures were not provided.

Amazon also notes that this the series’ fourth consecutive season of growth, putting it among the streamer’s five biggest TV seasons ever when measuring four days of premiere viewership. Isolating for solely returning seasons, “The Boys” Season 4 is Amazon’s second biggest, beat only by “Reacher’s” Season 2 debut in December.

60% of viewers were located outside of the U.S., Amazon says, with Brazil, the U.K. and India being major drivers of the show’s success. The season was Prime Video’s No. 1 title in 160 countries after four days.

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Season 4 of “The Boys” premiered with three episodes on June 13, with new episodes dropping weekly until the finale on July 18. Showrunner Eric Kripke recently announced that the already greenlit fifth season will end the series.

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“Gen V,” a spinoff of “The Boys,” premiered in 2023 and is currently in production on its second season. Another spinoff, “The Boys: Mexico,” is currently in development; according to Kripke’s Variety Showrunners Sitdown, “The deal for the writer is just closing, and then he’s going to start writing the pilot.”

Read Variety‘s interview with Kripke about the Season 4 premiere — featuring fake penises, cameos from Will Ferrell and Tilda Swinton and a presidential election — here.

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