Little Round Somethings

Little Round Somethings is a one hundred sixty-first episode of the series and a thirty-seventh episode of the fourth season.
== Plot ==
The Hoobs want to know what those little round things are.
Mysterious marks have appeared in the grass outside the Hoobmobile. Whatever they are, they have become the first item in Groove's collection of strange marks, but who put them there and how?. Groove visits the Tiddlypeeps that they painting with their hands and feet.
Category:Season 4 episodes