[s4e18] Old King Clancy -

The episode's main storyline revolves around a mystery: Which Canadian celebrity did Robin refuse to perform a specific, bizarrely named sex act with? An "Old King Clancy."

Ted eventually discovers the truth but realizes his friends lied out of love, leading to a rare moment of genuine sentimentality between the trio. Notable "Canadian" Acts Mentioned [S4E18] Old King Clancy

The writers populated the script with a list of ridiculous, fictional Canadian sex positions, many of which became staples of the show's lore: The episode's main storyline revolves around a mystery:

Marshall and Barney lie to Ted, telling him the project is still moving forward to spare his feelings, while in reality, the company scrapped his design for a different architect. The gang spends the episode guessing celebrities like

The gang spends the episode guessing celebrities like Bryan Adams , Rick Moranis , and Wayne Gretzky .

: While the show uses it as a euphemism, King Clancy was a real-life legendary NHL player for the Ottawa Senators and Toronto Maple Leafs.

is a fan-favorite episode of How I Met Your Mother that leans heavily into the show's long-running gag about Robin’s Canadian heritage and the absurdity of Canadian euphemisms. The Core Plot: The Canadian Sex Act Mystery