This season of How I Met Your Mother has felt like it's needed a shot in the arm — and one is coming! Though I loved seeing the gang in their Halloween garb, I much prefer Robin's classic costume: Robin Sparkles. Her pop star alter ego will come out to play in tonight's episode, "Glitter," when Barney finds a copy of a Canadian TV show that Robin had starred in back in the day. Her former costars are also the episode's guest stars: Nicole Scherzinger and Alan Thicke. Check out the photos from the episode to get a taste of what it's all going to be aboot!
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