Victreebel was only used once by James during his time in Kanto. In All Fired Up!, it was called to help extinguish Meowth, who was on fire. However, instead of extinguishing the flames, Victreebel itself caught fire, and Ash needed to intervene with Squirtle to put out the fire.
During Johto, Victreebel became James's primary combatant. In Wobbu-Palooza!, Victreebel was used alongside Arbok to try to stop the Wobbuffet Festival crashers, since everyone else refused to fight due to the festival rules. Victreebel tried its best, but was easily defeated when overwhelmed by the thugs' Machoke and Primeape. Wobbuffet was sent out afterwards and managed to defeat them with its Counter attack.
In Here's Lookin' at You, Elekid, the Magikarp salesman encountered Team Rocket yet again, and upon an irate James demanding a refund for a priorpurchase, offered to instead trade to them a Weepinbell for one of their Pokémon. He stated that Weepinbell's Sweet Scent move would help them to catch Pokémon, which convinced them it was a good deal, and got them thinking about which Pokémon to trade. Meowth refused to be traded, and Jessie and James each made it very clear they were unwilling to part with Arbok, Weezing, or Wobbuffet, which led to Jessie and Meowth volunteering Victreebel. James adamantly refused as he recalled all of their time spent together. Despite this, Jessie and Meowth forced him to make the trade anyway, though he was very unhappy about doing so.
Later, James's new Weepinbell unexpectedly evolved into another Victreebel while battling Ash and Casey. Immediately after evolving, the new Victreebel chomped down on Jessie, which caused her to order Arbok to send it flying, to James's dismay. At the same time, the Magikarp Salesman kicked James's first Victreebel away, coming to the realization that it won't obey him. The two Victreebel collided in midair, falling in love with each other at first sight. They were last seen skipping off together into the forest.
James mentioned Victreebel in the dub of Two Degrees of Separation! while Carnivine was biting on his head, stating that it wasn't the only Pokémon that showed affection towards him in such a manner. This mention didn't exist in the original Japanese version.
Victreebel reappeared in a flashback after Gardenia mentioned that the species was one of her favorites in The Grass-Type is Always Greener. She even offered to trade her own Victreebel to James for his Carnivine, but he declined.
Personality and characteristics
Victreebel showing its affection
Victreebel was affectionate towards James, and it regularly chomped down on his head whenever it was called out of its Poké Ball. Occasionally, it would also latch onto Meowth, Jessie, or even Jessie's Arbok. The antic was unwelcome, leaving Jessie and her Pokémon to often make the first move against the twerps. James, however, appreciated the show of affection as its loyalty was never in question.