Hero: 108 S01 E22 Crocodile Castle

Not knowing that the slot machines are rigged by the Zebra Brothers, Commander ApeTrully tries to win a jackpot (3 yo-yos) to gain an audience with Crocodile King. When Mighty Ray discovers this, he ends up fighting the Crocodiles. When Mighty Ray does an impossible yo-yo trick, he winds up having the crocodile king join Big Green.