The 4400
Ghost in the Machine (4x11)
Air date: Aug 26, 2007
Tom and Diana must race to find the source of a computer virus that could bring down Ubient software, one of the world's largest software companies that is run by suspected member of the marked, Drew Imroth. Meanwhile, Maia visits Promise City where she receives an unexpected birthday surprise: a visit from her birth parents.
- Premiered: Jul 2004
- Episodes: 44
- Followers: 1240
- Ended
- USA Network
- Sunday at 23