Conan O'Brien on Fallon: Mick Jagger's Surprise Call, Hair Rumors, and New Show

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The comedian also previewed what viewers can expect from his upcoming travel series.

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Conan O'Brien stopped by THE TONIGHT SHOW STARRING Jimmy Fallon to recount a surprise phone call he received from Mick Jagger , an unexpected moment that anchored much of his conversation with host Jimmy Fallon .

O'Brien also used the appearance to address longstanding rumors about his hair, giving Fallon's audience a candid, self-deprecating take on a topic that has followed him throughout his career in late-night television.

Beyond the Jagger call and the hair talk, O'Brien discussed the process of filming a new season of his show Conan O'Brien Must Go, offering viewers a glimpse into what is currently in production for the series.

The conversation moved briskly between the celebrity anecdote, the personal ribbing over his appearance, and the behind-the-scenes details of his current project, giving the segment a mix of star-driven surprise and O'Brien's own trademark self-mockery.

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_Originally reported by [BroadwayWorld](https://www.broadwayworld.com/bwwtv/article/Conan-OBrien-Reveals-Surprise-Mick-Jagger-Phone-Call-Talks-Hair-Rumors-on-Fallon-20260923)._