In The Ninja Poké-Showdown, Koga keeps multiple Voltorb in his Gym as booby traps for intruders. They were later targeted in one of Team Rocket's schemes.
In So Near, Yet So Farfetch'd, Keith used multiple Voltorb for a scheme. Team Rocket received them, thinking they were Poké Balls with rare Pokémon hidden inside them, as well as their Arbok, Lickitung, and Weezing. When Team Rocket found out they were not, the Voltorb started to explode in their balloon. They dumped most of the Voltorb on the thief, prompting Keith to quit his crime spree, but a single Voltorb sent them blasting off.
In The Underground Round Up, a Voltorb lived amongst Electrode. Although Misty was terrified of it, the Electric-type befriended her Togepi, and the baby Pokémon was sad when it had to leave.
In Love, Pokémon Style, three Voltorb were rolling down a hill before they were caught by Ash's Kingler. However, they shocked and injured it in the process, leaving it too hurt to battle.
In Watt's with Wattson?, Wattson used a Voltorb in his Gym battle with Ash. It was easily defeated by Pikachu, who had become super-charged during an incident at the Mauville Gym. Multiple wild Voltorb also appeared later on in the episode.
In Bucking the Treasure Trend, multiple Voltorb attacked Ash, his friends, and Buck as they searched for Dandelion Island's treasure.
In the Hoopa's Surprise Ring Adventures short Ball Pickup, a Voltorb was thrown at Ash as part of a prank by Hoopa, but it then attacks the both of them, as well as Pikachu and Hawlucha, with Self-Destruct.
In Duplica's flashback in Ditto's Mysterious Mansion, a Voltorb came onstage as her Ditto tried to transform into one.
In Pokémon Fashion Flash, a painted Voltorb was on Scissor Street.
In A Chansey Operation, a Voltorb was stuck in a Weepinbell's mouth, and Misty and Jessie had to pull it out.
A Voltorb appeared as an image in the dubbed version of The Ultimate Test.
A Voltorb appeared in The Breeding Center Secret.
In Showdown at the Po-ké Corral, multiple Voltorb were living at Professor Oak's Laboratory.
In Pikachu's Vacation, a Voltorb was at the Pokémon Theme Park.
In Pallet Party Panic, a Voltorb attended the party in Pallet Town.
In The Lost Lapras, a Trainer's Voltorb was brought to the Pokémon Center.
In Pikachu Re-Volts, a Voltorb was controlled by Cassidy and Butch at Mandarin Island North via their Drowzee.
In The Power of One, a Voltorb sensed the disturbance caused by Lawrence III.
A wild Voltorb appeared in Pikachu's Rescue Adventure.
In Tricks of the Trade, a Voltorb was at the Pokémon Swap Meet in Palmpona.
In Wired for Battle!, the image of a Trainer's Voltorb came up in Shingo's laptop.
In Pikachu & Pichu, a Voltorb was seen in Big Town.
In The Fortune Hunters, a Voltorb was stolen by Butch and Cassidy.
In The Legend of Thunder!, multiple Voltorb were lured by Attila and Hun's "Miracle Crystal".
In As Clear As Crystal, a Voltorb was affected by a crystal that gave a lake the ability to heal Electric-type Pokémon.
A Voltorb appeared in the opening intro of Celebi: The Voice of the Forest, which was reused for Pokémon Heroes: Latios & Latias.
Two Voltorb appeared in You're a Star, Larvitar!, both under the ownership of a Trainer.
In Gonna Rule The School!, the Pokémon Trainers' School lent a Voltorb to the underage students for use in lessons.
In Pearls are a Spoink's Best Friend, a Spoink mistook a Voltorb for a pearl.
Multiple Voltorb appeared in Destiny Deoxys.
A Coordinator's Voltorb appeared in Deceit and Assist.
In May's Egg-Cellent Adventure, Nicolette owns two Voltorb, which she trained to attack anyone who enters her property. As such, they attacked May.
In the ending credits of Arceus and the Jewel of Life, a Voltorb disguised as a watermelon exploded when Jessie and James picked it up after falling for its disguise.
A Voltorb appeared in A Campus Reunion!.
In The Future Is Now, Thanks to Determination!, seven Voltorb were among the Electric-type Pokémon being controlled by Team Rocket.
A Voltorb appeared in Volcanion and the Mechanical Marvel.
A Voltorb appeared in I Choose You!.
A Voltorb appeared in Ash's dream in Currying Favor and Flavor!.
Four Voltorb appeared in A Crackling Raid Battle!.
In How Are You Gonna Keep 'Em Off of the Farm?, Laxton owns a Voltorb that helps him around his farm.
||Goh's Rotom Phone
||Voltorb, the Ball Pokémon. An Electric type. Voltorb appears in places where electricity is generated, and it resembles a Poké Ball.
In File 3: Giovanni, two Voltorb appeared, with one under the ownership of a Trainer being defeated by Red's Charmeleon in a battle, and a wild Voltorb at Silph Co., trapped with multiple other Pokémon that were later freed by Red.
Pocket Monsters DP
A Voltorb appeared in PMDP16.
Pocket Monsters HGSS
A Trainer's Voltorb appeared in PMHGSS11.
A Voltorb appeared in PMHGSS18.
Voltorb debuted in Danger: High Voltorb, where Red tried to touch one aboard the S.S. Anne, thinking that it was only a Poké Ball, but wound up being zapped by it.
Multiple Voltorb appeared in Go for the Golbat, under the ownership of Lt. Surge. They were used in conjunction with multiple Electrode to shock Red and as projectiles.
In The Coming of Slowpoke (Eventually), Ken of the Team Rocket Elite Trio used a Voltorb along with its evolved form, Electrode, to battle against Yellow.
Wattson's Voltorb was only seen in Plugging Past Electrike I, inside the Power Plant located in New Mauville.
A Voltorb appeared in Encountering Elekid.
A Voltorb appeared in Clobbering Claydol, under the ownership of a Guitarist.
Jet owns a Voltorb that he uses in the Pokéathlon Speed Course in Out-Odding Oddish.
Multiple Voltorb were among the Electric-type Pokémon that charged the Prism Tower during a blackout in PS562.
Pokémon Gold & Silver: The Golden Boys
A Voltorb appeared in the intro of Let's Go! The Journey Towards The Championship.
Multiple Voltorb appeared in Let's Aim For The Goal!, under the ownership of Firebreather Takeo.
A Voltorb appeared in The New Pokémon Is Hatched!!.
Pokémon Gotta Catch 'Em All
A Voltorb appeared in The Raining Crystal Ball.
A Voltorb appeared in The Challenge at Celadon University!.
A Voltorb appeared in GDZ23.
Pokémon Pocket Monsters
Lt. Surge's Voltorb battled Clefairy and evolved in the same match in Great Success in the Mountains or the Seas!?.
A Voltorb appeared in Regain the Deserted Power Plant!.
Green caught a Voltorb, as seen in Good Luck at the Big Pokémon Athletic Meet!.
A Voltorb appeared in Fierce Competition at the Pokémon Baseball Tournament!, where it was one of the Pokémon that took part in a baseball match.
Blaine has multiple Voltorb, as seen in Fierce Competition at the Pokémon Quiz Battle!!. They were used in the first part of the Pokémon Quiz Battle.
Giovanni sent out a Voltorb to prevent Red from interfering with his plans to create Mewtwo in Bring Down the Strongest Pokémon!!. He was revealed to own additional Voltorb in Seize the Dream of One Million Yen!!.
A Voltorb appeared in Clefairy's Christmas Present?!.
A Voltorb appeared in Curry Showdown! Which is the Most Delicious? as one of the participants of a curry cooking competition.
A Voltorb appeared in The Thrill of a Perfect Score, Big Rampage at the Amusement Park!.
A Voltorb appeared in Let's Celebrate the New Year!!.
Two Voltorb appeared in Panic on the Luxury Liner?!.
A Voltorb appeared in Stop the Missile!!.
A Voltorb appeared in Pikachu's Birthday Party.
A Voltorb appeared in Pokémon Snowball Fight.
A Voltorb appeared in Take me to the Dragon Palace!.
A Voltorb appeared in The Food Battle.
A Voltorb appeared in Red's fantasy in The Great Helper!!.
A Voltorb appeared in I Won't Let You Lead!!.
A Voltorb appeared in Let's Try To Be Idols!!.
A Voltorb appeared in Extra Heavyweight Battle.
A Voltorb appeared in A Visitor From Outer Space?!.
A Voltorb appeared in Clefairy's Golf Debut!.