Outside Chance

(set post s4 of TMNT 2012) Leo has to make a lifechanging decision when the rebel-foot clan destroys their home. In a desperate attempt to escape, the turtles use the strange substance 'purple ooze' to temporarily become human as a means to an end. But when the brothers are sepperated during the seige, how will they be able to find each other again before their enemies does?