"Crazy Block" is a short created for the Nickelodeon Animated Shorts Program by Iginio Straffi, the creator of Winx Club and producer of Club 57. It was produced by Rainbow SpA, a studio co-owned by Straffi and Viacom (Nickelodeon's parent company). The short was first released on Nickelodeon Animation Studio's YouTube channel on December 8, 2018.

"Crazy Block" was intended as a pilot for a Nick series. It follows Bunny and Simon, two animals who work at a busy apartment complex.