The Cat in the Hat star told Seth Meyers about why he declined attending the SNL milestone in his lengthy new Late Night interview.

Bill Hader opened up about his bouts with anxiety on 'Saturday Night Live,' and how he once lost his vision from a bad migraine right before a sketch.

Bill Hader was a no-show for Saturday Night Live 's 50th Anniversary special back in February, with his publicist initially stating his absence was simply due to a scheduling conflict. But there was much more behind the 47-year-old actor's reasoning for missing the special.