|The Mystery Hidden in Lake Yasogami|
|Original Air date||January 31, 2016 (Japan), March 19, 2016 (Toonami)|
|Rōmaji||Yasogamiko ni Hisomu Nazo|
← Episode 3
Episode 5 →
The Mystery Hidden in Lake Yasogami (八十神湖に潜む謎 Yasogamiko ni Hisomu Nazo ) is the fourth episode of the Dimension W anime adaption. It originally aired on January 31, 2016.
List of characters, in order of appearance.