Mikey had been in charge of bringing the pizza back to the lair today, but he had accidentally dropped it in the water when he stumbled which made Raph groan in annoyance, Leo deadpan, and Donnie just looked disappointed. Mikey himself looked distraught over the loss

Raph: “Way to go, genius.”

Mikey leaned over to Leo and whispered to him

Mikey: “You know, he keeps calling me a genius, but something in his tone leads me to believe he doesn't think I'm a genius.”

Donatello who had overheard facepalmed at Mikey’s ignorance but was somewhat amused