The comedic and magical duo, Penn Jillette and Raymond Teller, better known as Penn & Teller, announced on June 28 their live magic shows will be postponed until Aug. 18. They both tweeted, informing fans Teller must undergo back surgery due to the immense pain he suffered during a show on June 27.

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Teller also wanted to let fans know that he and much of his crew are scrambling at this time since they’ve rarely canceled shows on short notice before.

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Teller answered a fan who wished him well on his surgery, awaiting his return to the stage.