1. Bakuman. Special: Deraman. 01

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. 29 September 2012. 25 min

Summary of the previous two seasons of Bakuman

2. Bakuman. Special: Deraman. 02

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. 2 January 2013. 25 min

Shows many of the mangakas' works. Main cast members also talk about which "Bakuman." works they would like to see animated

3. Bakuman. 2nd Season Special

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. 26 September 2012. 4 min

Short animation included as a bonus in the Blu-ray Box volume 2.

4. Rakko Umi e Kaeru!

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. 26 June 2013. 5 min

Among the world's most powerful otters is Rakko 9-gou, the abandoned and forgotten "Lost Number" who seeks vengeance on the human race. Rakko 11-gou attempts to foil the plans of his adversary, but his "Olivine Tholeiite" attack has no effect on Rakko 11-gou's tail of carbon nanotubes! Can Rie and Naho make it in time to save Rakko 11-gou?

5. Reversi PV

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. 28 August 2013. 2 min

The second special serves to showcase the theme song of Reversi's fictional anime adaptation.