Grumpy Cat met Oscar the Grouch and it was epic ... and adorable. The two had a grump vs. grouch staring contest in the midst of garbage. The winner? Viewers.
It seems that Oscar taught Grumpy Cat the ways of the grouch, but the student has become the teacher now! "That cat drives me crazy. I've got to hang out with her more often," Oscar says in the video above.
"Sesame Street" airs on PBS. Check your local listings.