Name: Stench (Greg Johnson IV (voice))
Episode: 26, 27 - S.W.A.T. Part 1, Part 2
Information: Stench and Thresher were friends with Piggy until they decided to betray him.
Z and Kat visit Piggy to see if he has a Quantum Enhancer that can handle sequences on a molecular level, Thresher tells Piggy to give them one for free. Piggy gives Kat a Quantum Enhancer infected with a virus that allows Thresher to send Stench through the internet and into the S.P.D. Base to steal SPD technology.
Thresher pilots a Giant Robot while Stench steals schematics for S.W.A.T. Mode. The rangers had captured Thresher and were bringing him in for questioning but were attacked by Stench and his new Power Mode. The rangers were unable to stop Stench even with the S.P.D. Battlizer, Stench and Thresher escape.
Thresher and Stench decide to betray Piggy by keeping the SPD technology for themselves. Thresher uses the SPD technology for a Power Mode as well.
Broodwing and Piggy go to Thresher's and Stench's hideout to steal the SPD technology back from them, and Sam, the Omega Ranger, follows piggy to the location.
Omega and Shadow try to stop Stench and Thresher but are captured instead. The rangers graduate from S.W.A.T. training and Kat finally completes the new S.W.A.T. Mode. The rangers in their new S.W.A.T. armor free Shadow and Omega. Then Stench and Thresher are finally contained using the 5 Delta Enforcers.