Hataraku Saibou Specials
Japanese title: はたらく細胞
Alternative titles: Hataraku Petit Quiz, Macrophage no Oheya, Killer T Saibou no Kunren, Shireikan no Yuuutsu, Hataraku Oshigoto, Cells at Work! Specials
Type: Special
Source: Manga
Episodes: 5
Status: Finished Airing
Aired: Oct 24, 2018 to Feb 27, 2019
Duration: 4 min per ep
Rating: G - All Ages
Studios: David Production
Genres: Comedy
Themes: Anthropomorphic, Educational, Medical, Parody
Demographics: Shounen

DVD/BD specials of Hataraku Saibou included on disc volume 3-7. All episodes feature super deformed chibi versions of the characters. There is also some 4th wall breaking with them speaking to you the viewer (such as the quiz game show in ep 1 or the parody of the long running Japanese talk show Tetsuko's Room in ep 2).