The begining is like Leo found out that the Kraang are planting a bomb that mutates New york. Then Leo, and Raph went to find them, and stop them. Later they found Slash, and did a fight. Soon the Kraang decided to do something clever. They found out about the Shall not be named, and got few of his robots, and his Hypno ray. When they got to the TCRI they found an Hypnotized April. After the fight they try to ambush the Kraang.