Fred Tatasciore (the voice of Gluko) also voices Kitty Num Nums and Mountain.
Kat Palardy, the voice of Ho Cho Jo, also voices Littlest Chick.
The title "Space Kittens for Now" was derived when the showrunner suggested calling the episode "Space Kittens"... for now. It was written down as "Space Kittens for Now" as a joke, and it stuck.
Gluko & Lennon usually never wear pants, except for in this episode and "Bed Follows," where they wear matching onesies.
Roger L. Jackson, the voice of Mr. Sprinkles, was formerly an award-winning commercial artist who designed merchandise for such clients as the Rolling Stones, Led Zeppelin, Jimi Hendrix and Public Enemy.