The Dick Van Dyke Show (1961)

S1E1 The Sick Boy and the Sitter

Alan Brady is hosting a gathering at his penthouse for some network executives and expects the writing team to be there. However, Laura is concerned that Richie might be getting sick and insists on staying home. Rob believes Richie will be fine and is eager to hire a babysitter, but he's struggling to persuade Laura to let him go.