The Zeta Project (Seasons 3 and 4, 2003 and 2004)

The Zeta Project (Seasons 3 and 4, 2003 and 2004) are the final two seasons of the Kids' WB! series that chronicle the adventures of Infiltration Unit Zeta and his teenage assistant Rosalie "Ro" Rowan. Season 3 ran from January 25, 2003 until April 19, 2003, while Season 4 ran from January 17, 2004 until April 10, 2004. These seasons introduce Rosalie's new partner, Marissa Andrews (voiced by Stephanie Morgenstern).

Cast

 * as Infiltration Unit Zeta

Season 3 (2003)

 * 1) (January 25, 2003)

Season 4 (2004)

 * 1) (January 17, 2004)