Geodude first appeared when Roark was challenged by Paul. Geodude easily defeated Azumarill, using his Hidden Power to break through Azumarill's Hydro Pump before finishing it with two hits from Rollout. Despite his victory over Azumarill, Geodude was no match for Elekid, and was knocked out by a single Brick Break.
Geodude was used during Roark's rematch with Ash where he battled Aipom. Geodude was unaffected by Aipom's Swift, but Aipom used Double Team to avoid Geodude's Rollout. However, when Aipom attempted to use Focus Punch, Geodude blocked it and inflicted serious damage with Seismic Toss. Aipom managed to avoid Geodude's next Rollout using a spinning technique and finished Geodude with a super effective Focus Punch.