Pete the Cat is whipping up a delicious dish for his class's potluck. Pete can't wait to share his banana casserole with his classmates. It's his favorite lunch! But it turns out that his friend Grumpy Toad hates bananas. How can he hate bananas if he's never tried one before? Pete shows Grumpy trying something new can be supercool and groovy with the "Three Bite Rule."