In one scene, Knuckles is wearing the same spacesuit he had in "Spacemageddonocalypse".
The title of the episode is a reference to the movie "Three Men and a Baby", in which a man discovers he's a father and, with help from his two friends, must take care of the baby for the mother.
The episode was written by Sonic comic writer, Evan Stanley, who is the current lead writer of the IDW Sonic comics as of Issue 33.