Toaru Kagaku no Railgun Episode 20

Title: Porutagaisuto (乱雑開放) - Poltergeist

Date Aired: 16 February 2010

Previous Episode → 19

Next Episode → 21

Synopsis
Episode Preview

An out of season transfer student comes to Sakugawa Middle School.

The four heroines give her a warm welcome as Judgment and Anti-Skill discuss the increase of earthquakes in Academy City.

What would this new character add to the mysterious phenomenon going on?

Adapted From
Adapted from? which chapter of manga and/or novel

Referbacks
references to previous episodes, possibly from Index(based on timeline)

New Characters
Harukami Erii - introduced in Episode 17 as "Girl with the Locket".

Cultural References
"easter eggs"