Mindy and Reggie are on the top of the Gingerbread Mansion fishing... for rats!? But will they be tickled pink when the rats come to tickle them?! Learn with Mindy and Guy Raz all about a recent study that suggests that, just like us, some rats giggle when they get tickled! It's the Who, What, When, Where, Why, How and WOW in the world of RAT TICKLIN'! Originally aired 4/5/21.

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