Caroline in the City
Caroline and the Return of the Sudsy Guy (1) (4x19)
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Sparks fly between Caroline and Randy when he pays her a surprise visit in New York and they end up getting stuck together in a subway tunnel for two hours. Meanwhile, Richard gets his first real break as an artist when an eccentric gallery owner offers to exhibit his work -- but only if he can create another 'bleak' painting in time for the next day's show.