Monogatari Series: Second Season

Nadeko Medûsa Sono Yon (1x15)

Air date: Oct 12, 2013

Part 4 of 4. November 2nd. Nadeko has just found the sacred Kuchinawa's body in front of Koyomi and Shinobu. She eats it abruptly without listening to them, and then, she turns into a poisonous snake-like goddess.