Red Dwarf (1988)

S11E3 Give and Take

Title: Exchange of Essentials Plot: Following a confrontation with a crazed droid, Lister finds himself in dire straits after losing his kidneys to a nefarious theft. His only hope lies in convincing Cat, the most self-centered being in existence, to part with one of his kidneys. With time running out, Lister faces the daunting task of appealing to Cat’s better nature, hoping for a miracle that could save his life.