Episode 424 To Rise Up.
Naruto appears saves Gai. Naruto then ebgins to whip Madara around culmianting in A massive flame/lava style rasenshuriken by Son Gokus chakra.
The attacks evers the tree but as it falls the tree speaks to Madara with the Juubis voice and tells him to take it all into him. He does and becomes more powerful.
Sasuke after a brief farewell with Taka, arrives and using his abilities sees Madara using his Limbo shadow technique to defend himself which Naruto cant see but can sense.
The two attack together but Madara escapes and rips Kakashis eye out.
Sasuke cuts him in half but Madara uses Kamui to escape and arrives just as Sakura who thanks Obito for saving Naruto attempts to destroy Obiots eye.
Episode ends with Madara throwing the chakra rod at Sakura.