Quote from Robin in A Change of Heart
Nora: Well, we should get going. Walk me home? Scooby: Walk? Somebody say walk? I'll go for a walk. I love a good walk. Barney: No, Scooby, you, uh... stay! Robin: Oh, no. I got called back in to work. Can you keep an eye on him until I get back? He's new to the city, and he doesn't really know anyone. Ted: I knew it. I knew it. I knew if you got a dog, I'd wind up taking care of it. Robin: He's not a- [Robin sees Scooter scratching his ear] Good night.