Currently available on 3 streaming services.

Streaming, rent, or buy How Not to Summon a Demon Lord – Season 1:

Currently you are able to watch "How Not to Summon a Demon Lord - Season 1" streaming on Crunchyroll Amazon Channel or buy it as download on Apple TV, Microsoft Store.

Cast

Masaaki Mizunaka
Sakamoto Takuma (voice)
Atsumi Tanezaki
Klem (voice)
Azumi Waki
Rem Galeu (voice)
Yu Serizawa
Shera L. Greenwood (voice)
Yumi Hara
Alicia Crystella (voice)