Children of all ages might recognize Bert Miller's unique, high, raspy voice. Sterling Holloway, who played Bert in this episode, is most famous for being the voice of Disney's beloved Winnie the Pooh!
Ellen Brown has the distinction of being one of very few women to ever be seen inside Floyd's Barbershop.
When Barney tries to extract information from Otis, it is revealed that his house number is 411. 411 is the telephone number for information.
During the scene in which Barney attempts to use hypnosis to find out where Otis is getting his liquor, it is revealed that Barney's address is 411 Elm Street. Coincidentally this is the exact same address as the Texas School Book Depository in Dallas where Lee Harvey Oswald shot President Kennedy two years later.
Aunt Bee mentions she moved to Peoria when she was 18 and was "so skinny".
Karen must be from the opposite side of the family than Mary Grace, Thelma Lou's "other" cousin - who Barney "affectionately" calls a dog!
In this episode, Andy says that the combination to the Mayberry Bank's vault was lost and that a back door was cut into it to allow access. But, in Season Three's The Bank Job, Barney gets locked in the vault and has to bust through the bank's back wall to get out.
Frank mentions a trinket he got from the Saint Louis World's Fair. This international exposition, which was held in St. Louis, Missouri from April 30 until December 1, 1904, celebrated the centennial of the Louisiana Purchase and was officially called The Louisiana Purchase Exposition.
Aunt Bee wears glasses in this episode for what I believe is the first time.
After eating the apples, Opie falls asleep in an "Elm City Delivery Service" truck.
Opie, in a cute little boy voice, says he will go back to planting his "Spiniss"
The company that repossesses Jim Lindsey's car is the Mid-Mountain Finance Company.
According to Aunt Bee, Jim Lindsey's favorite dinner is fried chicken and cornbread.
According to Barney, Jim's big record is "Rock and Roll Rosie From Raleigh".
Although most fans believe that Mayberry was a segregated southern town, this is one of the few episodes that show blacks in the crowd.
The epilogue to this episode features a group of townsfolk descending on the Becker place with gifts and food and plenty of good singing - a kind of impromptu baby shower. In the crowd, The Country Boys (The Kentucky Colonels), the bluegrass group Andy performs with in Mayberry on Record, can be seen picking their instruments.
Barney tells Sam that he did his part to whip the dreaded Hun, which would technically mean he served in WWI, although it's more likely that Barney meant WWII. In the Reunion episode, we learn that Barney graduated from high school in 1946. However, in the much later episode, The Return of Barney Fife, we are told that he graduated in 1948. Since World War II ended in 1945, it's not very likely that Barney would've served in it. Sam says that he served during the Korean War.
Floyd's wife, Melba, is mentioned in this episode (she won't let Floyd take the stick she props open the cellar door with). Floyd is said to be a widower in season two which means Melba must have passed away soon after this episode.
The episode marks the one and only time that illegal narcotics are mentioned on the show - Barney suggests that Sam might be growing marijuana.
Andy smokes in this episode.