‘How I Met Your Mother’ Season 8: The Return of Robin Sparkles Prompts a Canadian Invasion [Video] January 8, 2013 How I Met Your Mother, News Even Barney (Neil Patrick Harris) would have trouble not breaking out a rendition of “Oh, Canada!” after seeing the guest star line-up for the February 4th episode of How I Met Your Mother. The return of Robin’s (Cobie Smulders) pop star alter ego, Robin Sparkles, will spark a Canadian invasion that is set to include previous How I Met Your Mother guest stars James Van Der Beek (no he’s not a Canadian, but he plays one on TV) and Alan Thicke. They’ll be joined by Jeopardy host Alex Trebek, singer K. D. Lang, Jason Priestley (Beverly Hills, 90210), and many, many more. Watch the special video announcement below for a full list of the guest stars. What do you think How I Met Your Mother fans, are you excited to see another installment of the Robin Sparkles saga? How I Met Your Mother airs Mondays at 8:00pm ET/PT on CBS. entish And yet, the video on this post doesn’t work from Canada.