CBS sitcom HOW I MET YOUR MOTHER is set to feature a slew of Canadian guest stars in a future episode, one of them a bonafide rock legend.

The episode of the show - which stars Neil Patrick Harris, Jason Segel, Alysson Hannigan and Josh Radner - to be aired on Monday, February 4th in the States will see the return of Cobie Smulders and feature a host of guests, all Canadian.

Lined up to appear are Paul Shaffer, Alan Thicke, Alex Trebek, K.D. Lang, Jason Priestley and GEDDY LEE of RUSH.