Season: 5

Original Airdate: August 3, 2001

Writer(s): Heather E. Ash

Director(s): Peter DeLuise

Guest Stars
Colleen Rennison as Cassandra
Jacqueline Samuda as Nirrti
Teryl Rothery as Dr. Fraiser
Richard de Klerk as Dominic
Karen van Blankenstein as Nurse

Synopsis: On the eve of her birthday, Cassandra is showing signs of “mind fire,” a powerful electromagnetic field triggered at puberty. Now SG-1 must find a cure to stop the life-threatening changes before she destroys herself…and the command center!