The weapon quickly became a favorite tool for SG-1 and other Stargate Command units, frequently carried off-world as standard-issue equipment.
Within the Serpent's Grasp - SG-1, aboard a Goa'uld Ha'tak bound for Earth, uncovers a crate of zat'ni'katels.
Family - O'Neill uses a zat to kill and disintegrate Fro'tac when the Jaffa attempts to turn them in to Apophis.
1969 - Two zat'ni'katels and a G.D.O. are the only items not destroyed by SG-1 when they fall back into 1969; a zat gun provides the influence needed for the team to reach the Stargate.
Prodigy - Zats are the team's only defense from energy-based alien insects, which cannot attack a person who has been zatted.