How I Met Your Mother Welcomes Back James Van Der Beek as Robin's Ex-Boyfriend

How I met Your Mother Season 9 James Van Der BeekJames Van Der Beek is headed back to How I Met Your Mother, TVLine has confirmed.

The actor tweeted news of his return to the hit CBS comedy on Friday afternoon, along with a photo of the episode’s script, “Bedtime Stories.”

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Van Der Beek has appeared as Robin’s loser musician ex-boyfriend Simon in two episodes, including last season’s Robin Daggers installment “P.S. I Love You.”

Is Simon going to cause trouble at Robin and Barney’s wedding? Or is he appearing in flashbacks (or possibly even flash forwards?)

HIMYM fans, hit the comments with your theories!