There is life after "How I Met Your Mother"!

Neil Patrick Harris will appear on FX's "American Horror Story: Freakshow" later this season, along with his husband David Burka, a source tells E! News.

Harris says that he first expressed interest in being on the show last summer. "I wrote a letter to Ryan asking if I can be in it, even though I wasn't even available to be in it…I just love those series and Coven was fantastic…to do one that involves any kind of freak, circus nonsense is going to be so unsettling to watch," he said. "Can't wait!"

Harris will be plenty busy over the next year; he's scheduled to host the 2015 Oscars, and has just signed with NBC to host a weekly variety show.

In other "AHS" casting news, Lily Rabe will reprise her role as Sister Mary Eunice (from season 2, "Asylum").

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