Exploration! The Crystal Mines!
Season 3, Episode 5
Air date February 7, 2015
Kanji 探検! 結晶鉱山!
Romaji Tanken! Kesshō kōzan!
Screenplay Masaki Tsuzuki
Opening No Limit
Ending Stay With Me
Episode Guide
DD3 Episode 4
DD3 Episode 6

Exploration! The Crystal Mines! (探検! 結晶鉱山! Tanken! Kesshō kōzan!) is the fifth episode of the third season of the Dog Days series. It first aired on February 7, 2015.


Shinku and Rebecca joins a scientific expedition that turns into a dangerous adventure when a cursed creature threatens the local Fairies.


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