Air Date: Oct 31, 2011

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In this episode of 'How I Met Your Mother'. The Slutty Pumpkin, played by Katie Holmes, returns, after Ted has searched for her every Read More

In this episode of 'How I Met Your Mother'. The Slutty Pumpkin, played by Katie Holmes, returns, after Ted has searched for her every year at the same costume party since the Halloween they met and he lost her phone number. In addition, Robin discovers that Barney is a quarter Canadian and endlessly teases him. Read Less