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The Best Episodes of Blue Building Detectives Season 21

Every episode of Blue Building Detectives Season 21 ranked from best to worst. Discover the Best Episodes of Blue Building Detectives Season 21!

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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Episode Rankings

  1. #1 Fan Favorite
    Blue Building Detectives Season 21 Episode 1 - Episode 1
    0.0/10(0 votes)

    #1 - Episode 1

    S21:E1

    No description available

    Director:Unknown
    Writer:Unknown

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  2. Blue Building Detectives Season 21 Episode 2 - Episode 2
    0.0/10(0 votes)

    #2 - Episode 2

    S21:E2

    No description available

    Director:Unknown
    Writer:Unknown

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  3. Blue Building Detectives Season 21 Episode 3 - Episode 3
    0.0/10(0 votes)

    #3 - Episode 3

    S21:E3

    No description available

    Director:Unknown
    Writer:Unknown

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  4. Blue Building Detectives Season 21 Episode 4 - Episode 4
    0.0/10(0 votes)

    #4 - Episode 4

    S21:E4

    No description available

    Director:Unknown
    Writer:Unknown

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  5. Blue Building Detectives Season 21 Episode 5 - Episode 5
    0.0/10(0 votes)

    #5 - Episode 5

    S21:E5

    No description available

    Director:Unknown
    Writer:Unknown

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  6. Blue Building Detectives Season 21 Episode 6 - Episode 6
    0.0/10(0 votes)

    #6 - Episode 6

    S21:E6

    No description available

    Director:Unknown
    Writer:Unknown

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    7. Trending NowTRENDING NOW

    The 20 BEST Episodes of Blue Building Detectives

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  7. Blue Building Detectives Season 21 Episode 7 - Episode 7
    0.0/10(0 votes)

    #7 - Episode 7

    S21:E7

    No description available

    Director:Unknown
    Writer:Unknown

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Season 21 Ratings Summary

"Episode 1" is the best rated episode of "Blue Building Detectives" season 21. It scored /10 based on 0 votes. Directed by Unknown and written by Unknown, it aired on 12/15/2025. This episode is rated 0.0 points higher than the second-best, "Episode 2".