S2, E9: Anna is about to pull the switch on the planet's first Blue Energy reactor, but Sid (recurring guest star BRET HARRISON) realizes that the size of the reactor is much too large for just the various Concordia sites; now, the Fifth Column needs to figure out what Anna is really up to. And Diana (recurring guest star JANE BADLER) tells Lisa she must act against Anna now, fulfill her destiny and save humans from annihilation. Recurring guest stars also include ROARK CRITCHLOW as A.D. Paul Kendrick, MARK HILDRETH as Joshua, ONA GRAUER as Kerry Eltoff, CHRISTOPHER SHYER as Marcus and MARTIN CUMMINS as Thomas.