Although Wally never had a steady girlfriend during the course of the series, the two girls he dated most often were 'Mary Ellen Rogers,' played by Pamela Baird, and 'Julie Foster,' played by Cheryl Holdridge. This is the only episode in which they both appear.
When trying to pay for his soda, Gilbert empties his pockets on the counter and a number of baseball cards spill out. These are all Topps cards from the 1959 set even though the episode was filmed in 1961. The cards are #383 Words of Wisdom (Don Larsen and Casey Stengel), #392 Whitey Herzog, #416Haywood Sullivan, #418 Gino Cimoli, #437 Ike Delock and #484 Willie Kirkland, all from the sixth series. Larsen threw the only perfect game no-hitter in World Series history (1956), Stengel and Herzog are Hall of Fame managers and Sullivan was a former Boston Red Sox executive.