Tales from the Darkside (1984)

S1E5 Mookie and Pookie

Title: Mookie and Pookie Plot: Twin siblings Mookie and Pookie share an unbreakable bond, but tragedy strikes when Mookie is diagnosed with a terminal illness. In a groundbreaking move, the brilliant Mookie manages to transfer his consciousness into a computer before his passing. Now, as Mookie exists in this digital realm, Pookie faces a tough challenge: she must persuade their parents to keep him online and prevent them from shutting down the system.