This is the eleventh of nineteen appearances Richard Garland makes in the series, each time playing the role of Constable Clay Horton.
This is the fourth of twelve appearances Paul Maxey makes in the series, each time playing Porky's dad Matt Brockway.
Gramps birthday, unlike the birthday of George Cleveland, which is October 17, is logically October 22, which is the only month besides January that fell on a Saturday in 1955.
The cast sings the song "For He's A Jolly Good Fellow." The tune, having originated with several varying verses in France in 1709 as "Mort et convoi de l'invincible Malbrough" (The death and burial of the invincible Marlborough), was adopted and simplified by the mid 1800s to its present form in England, which includes the refrain "and so say all of us." The cast in this episode of Lassie (1954) sings what is considered the Americanized version with the refrain "which nobody can deny."