Oh, when she's getting Screeched In, don't go to Trapper John's. Their only joke in the performance is they talk fast and they make you kiss a stuffed puffin.
Go to Christian's. Their MC is awesome - he dresses up in a slicker, they get some bologna and Screech, and his performance is full of audience interaction, jokes, and so on. It's a much, much better experience.
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She'll want to wait until she makes a few friends to do it, because it's more fun with people. The night she plans to do it, show up early at the bar to register (you have to do that in advance so they can get your Honorary Newfoundlander certificate printed up). They'll tell you what time to come back that night for the actual ceremony.