When Mikey is subjected to the sonic extractor his mind psyche conjures several "memes". Such as ice cream kitty as nyan cat and reference to double rainbow all the way across the sky, in Mikey's case its now a triple rainbow.
Whilst fighting the Triceratons in a space battle. Donnie quips "there's just to many of em capin" in a Scottish accent, parading James Doohan's "Scotty" from Star Trek (1966). Michael Dorn who plays Captain Mozar in this episode is famous for also playing Worf in Star Trek: The Next Generation (1987)