Soul Eater Epiosde 30

Synopsis
Set in the Shinigami technical school for weapon meisters, the series revolves around 3 groups of each a weapon meister and a human weapon. Trying to make the latter a "Death Scythe" and thus fit for use by the Shinigami, they must collect the souls of 99 evil humans and 1 witch.
Soul Eater is an anime that centers around meisters and their weapons and their mission to collect 99 evil souls and 1 witch soul. Upon doing that the meister's weapons will become a Deathscythe, which is the highest title for a weapon. Maka, Soul Eater, Black Star, Tsubaki, Death the Kid, and Patty and Liz Thompson are the characters Soul Eater revolves around. Besides taking the time to gather souls these students of Shibusen defend Death City from some of the most powerful of creatures while still attending school and trying to become stronger.

Episode 30 - "Red Hot's Runaway Express! The Demon Tool Left Behind by the Great Demon Guru?"

Kid, Liz and Patti head over to a train station in the Sahara desert to investigate a possible demon tool being the power source of an unstoppable train known as the "Runaway Express". They find a little child at the station and end up facing the Fisher King, an Arachnophobia assassin, wanting to take over the tool for Arachne. The child is also revealed to be one of the Mizune family members, and all three sides struggle to get their hands on it. The Fisher King ends up being defeated by Kid, but he also ends up knowing his father had something to do with Eibon in the past, and decides to investigate it in the library, only to discover the book about Eibon had been requested two months previous by a person with an "M" signature. Kid deduces that the M stands for Medusa, as the book was checked out on the day the kishin was revived.