[s5e8]: Solitude

: His ultimate goal is to use Clark to open a portal to the Phantom Zone and release the intergalactic criminal General Zod . Thematic Significance

The episode centers on a direct threat to the Kent family when is infected with a mysterious, life-threatening Kryptonian virus. Milton Fine (Professor Fine), played by James Marsters, uses this crisis to manipulate Clark into believing that his biological father, Jor-El , is the one responsible for the illness as a punishment for Clark's past disobedience. [S5E8] Solitude

: Fine is actually a malevolent artificial intelligence (Brainiac) created by Kryptonians, not a fellow survivor as he previously claimed. : His ultimate goal is to use Clark