The Human Farm (人間牧場 Ningen Bokujō) is the twenty-second episode of Ultraseven.
During a birthday party for a young woman named Ruriko, a alien known as Braco walks out of the ocean, kills her dog and makes off with the girl. Anne, who is attending the party, alerts her comrades. Searching for her missing friend, they find the monsters footprints, but no sign of the creature. The Ultra Guard eventually find Ruriko unconscious on the beach with a strange parasite attached to her arm. They discover to their horror that these spores can only grow and multiply inside of female host bodies. The only cure is Radiation Alpha 73, a special element found on Saturn. With but hours to save her and Anne both, Ultraseven and the Ultra Guard must face an assault by dozens of aliens before Seven can race to the ringed planet to retrieve the element required to save the two women.
- Dan Moroboshi/Ultraseven (モロボシ・ダン／ウルトラセブン（声） Moroboshi Dan/Urutorasebun): Kohji Moritsugu (森次 晃嗣 Moritsugu Kōji)
- Anne Yuri (友里アンヌ Yuri Annu): Yuriko Hishimi (ひし美 ゆり子 Hishimi Yuriko)
- Shigeru Furuhashi (フルハシ・シゲル隊員 Furuhashi Shigeru): Sandayū Dokumamushi (毒蝮 三太夫 Dokumamushi Sandayū)
- Kaoru Kiriyama (キリヤマ・カオル Kiriyama Kaoru): Shoji Nakayama (中山昭二 Nakayama Shōji)
- Soga (ソガ Soga): Shinsuke Achiha (阿知波信介 Achiha Shinuske)
- Amagi (アマギ Amagi): Bin Furuya (古谷敏 Furuya Bin)
- Narrator (ナレーター Narētā): Hikaru Urano (浦野光 Urano Hikaru)
- Ultraseven (ウルトラセブン Urutorasebun): Koji Uenishi (上西弘次 Hirotsugu Uenishi)
- Ultraseven Volume 6 Features Episodes 22-25.
- This episode is known as "The Human Ranch" in the Hawaiian English dub, and "The Chromosome Eaters" in the TNT English dub.
- The Ultraman Orb episode "Hard-Boiled River" is a tribute to this episode.