Releases

Season 1
Black Butler
黒執事
Kuroshitsuji
2008-10-03 to 2009-03-27
24 episodes (24 minutes)
Action, Comedy, Fantasy, Mystery, Supernatural
A-1 Pictures
Special
Black Butler: His Butler, Performer
黒執事 その執事、興行
Kuroshitsuji: Sono Shitsuji, Kougyou
2009-09-30
23 minutes
Comedy, Fantasy, Supernatural
A-1 Pictures
Season 2
Black Butler II
黒執事II
Kuroshitsuji II
2010-07-02 to 2010-09-17
12 episodes (24 minutes)
Action, Comedy, Fantasy, Mystery, Supernatural
A-1 Pictures
OVA
Black Butler II: OVA
黒執事II OVA
Kuroshitsuji II OVA
2010-10-27 to 2011-05-25
6 episodes (25 minutes)
Fantasy, Supernatural
A-1 Pictures
Season 3
Black Butler: Book of Circus
黒執事 Book of Circus
Kuroshitsuji: Book of Circus
2014-07-11 to 2014-09-12
10 episodes (24 minutes)
Comedy, Fantasy, Mystery, Supernatural
A-1 Pictures
OVA
Black Butler: Book of Murder
黒執事 Book of Murder
Kuroshitsuji: Book of Murder
2014-10-25 to 2014-11-15
2 episodes (58 minutes)
Comedy, Fantasy, Mystery, Supernatural
A-1 Pictures
Movie
Black Butler: Book of the Atlantic
黒執事 Book of the Atlantic
Kuroshitsuji: Book of the Atlantic
2017-01-21
1 hour 41 minutes
Action, Comedy, Fantasy, Mystery, Supernatural
A-1 Pictures
Season 4
Black Butler: Public School Arc
黒執事 寄宿学校編
Kuroshitsuji: Kishuku Gakkou-hen
2024-04-13 to 2024-06-22
11 episodes (24 minutes)
Action, Comedy, Fantasy, Mystery, Supernatural
CloverWorks

Sources

Manga
Black Butler
黒執事
Kuroshitsuji
Yana Toboso - Story & Art
2006-09-16