Cobie Smulders Cobie Smulders

Put away your jelly bracelets and your cool graffiti coats. It's time to break out your eyeliner and plaid shirts. Robin Sparkles is back on Monday's How I Met Your Mother — but she looks very different.

"It may be the craziest Robin Sparkles yet," executive producer Craig Thomas told reporters on a conference call. "We see a totally new part of Robin Sparkles' career in this."

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