Continuity mistake: When Laura tries to read the phone number that Rob scratched out, Rob gives her the number as "New Rochelle 69970," which happens to be the Petrie's own phone number, as noted in other episodes.
The Dick Van Dyke Show (1961)
1 mistake in Ray Murdock's X-Ray
Starring: Dick Van Dyke, Mary Tyler Moore, Morey Amsterdam, Larry Mathews, Rose Marie
Rob Petrie: I want to take a nap before I go to sleep.
More trivia for The Dick Van Dyke Show