'How I Met Your Mother': Robin Sparkles Returns With Alex Trebek And More Canadians (VIDEO)

"How I Met Your Mother" is trotting out some very big Canadian stars for the return of Robin Sparkles on Monday, February 4.

Alan Thicke, Alex Trebek, K.D. Lang and James Van Der Beek (who's actually from Connecticut) are just a few of the stars who will appear in the episode marking the return of Cobie Smulders in her Canadian pop star guise.

See the full list of guest stars in the video below.

"How I Met Your Mother" airs Mondays, 8 p.m. EST on CBS.