Cartoon date information from Hank Ketcham's Complete Dennis the Menace (Fantagraphics, 2005 Series). Inside front cover.
An error in continuity as this grandmother is different than the grandmother from the previous issue. Both of whom appear to be Alice's mother, based on the script.
Ruff is colored brown in this story.
Ruff is colored brown in this story.
Mr. Hall becomes a continuing character and later Henry's boss. The Mitchell's stay at the Hotel Toole.
Dennis is shown reading a Dennis the Menace comic book.
Cartoon date information from Hank Ketcham's Complete Dennis the Menace (Fantagraphics, 2005 Series). Inside back cover.