The title is a play on the song "Marching Through Georgia" by Henry Clay Work.
Chuck Jones was already animating Whoville type characters here. "How the Grinch Stole Christmas" was still four years away, which he would also direct.
The spaceship has landing gear feet with the same type of sneakers sported by Marvin Martin and K-9.
The spaceship passes through one of the "Dipper" constellations en route to Earth.
The psychiatrist's name is Sam Roar-Shock - a play on Hermann Rorschach, the creator of the inkblot test named for him.