The Andrews Sisters sing "(I'll See You)In Apple Blossom Time," a hit for them in 1940.
This was the final episode filmed in color. When NBC cancelled the series, CBS picked it up. However, the latter network was still airing only a few shows in color, so the following season was filmed in B&W. This makes the show one of only two filmed series (the other was "Wagon Train") that, due to network changes, went from B&W to color and back again.