Watch How I Met Your Mother Season 9 Episode 18 online and learn how to cure Barney's hangovers.
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How does one cure a hangover for Barney? Watch How I Met Your Mother Season 9 Episode 18 online for the answer.
Episode Details
The morning of the wedding, Robin and Lily try to cure Barney's hangover on the final season of How I Met Your Mother.
- Show:
- How I Met Your Mother
- Season:
- How I Met Your Mother Season 9
- Episode Number:
- 18