When Michelle is rebuffed in her attempts to have Darrin come to her place to model, she says, "Bonjour, Monsieur" as a goodbye. "Bonjour" means "hello." She should have said "bonsoir", which means "good evening." Alternatively, "au revoir" or "adieu" both translate as "goodbye."
When Sam and Darrin are eating dinner, Darrin asks Sam to get him some more water. When Sam takes the water glass to fill it, Darrin takes a sip from what looks like a glass of water.