Jul 2, 2017


Three inseparable friends get together every afternoon to play, but Leocádia, their evil building manager, always gets in their way. When something fishy happens around the building, they become the Blue Building Detectives!
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Quick answers about this season's release timeline and episode lineup.
Blue Building Detectives Season 9 premiered on July 2, 2017.
Blue Building Detectives Season 9 has 26 episodes.
The season opens with Season 9 Episode 1, "Episode 1". It aired on July 2, 2017.
Go to Season 9 Episode 1