Cells at Work!! The Return of the Strongest Enemy: A Huge Uproar in the Body’s Bowels! (2020)
Director: Hirofumi Ogura · Writer: Yuko Kakihara
The theatrical episode will cover events from the fifth volume of the manga.
Director
Hirofumi Ogura
Cast
Kana Hanazawa
Red Blood Cell AE3803 (Erythrocyte) (voice) 
Tomoaki Maeno
White Blood Cell U-1146 (Neutrophil) (voice) 
Akira Ishida
Cancer Cell (voice) 
Saori Hayami
Regulatory T Cell (voice) 
Daisuke Ono
Killer T Cell (voice) / Memory T Cell (voice) 
Toa Yukinari
NK Cell (voice) 
Kikuko Inoue
Macrophage (voice) 
Maria Naganawa
Platelet 'Leader' (voice) 
Yusuke Kobayashi
Ordinary Cell (voice) 
Yu-ri Yoshida
Black Lactic Acid Bacterium (voice) 
Rie Takahashi
Red Lactic Acid Bacterium (voice) 
Natsumi Fujiwara
Panda Lactic Acid Bacterium (voice) 
