Plot: Steve's high school sweetheart returns to town as a real-life Princess, complete with entourage and the Douglases are invited to a posh royal reception in her honor. However, Chip puts the wrong reply in his response and must try and retrieve it before the Princess reads it

My Three Sons - Season 4 - What's the Princess Really Like? (Episode 27)
Episode Aired On:
Thursday, March 19 1964
61 years ago
Thursday, March 19 1964
61 years ago