Toaru Kagaku no Railgun Episode 15

is the fifteenth episode of the Toaru Kagaku no Railgun anime adaption. It was first broadcasted on January 15, 2010.

Synopsis
Summary of entire episode.....

Full summary of segments...

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

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

Cultural References
"easter eggs"

Unanswered Questions
What is Konori Mii's relationship with Kurozuma Wataru?