Monsters featured in Power Rangers Operation Overdrive

- Agrios #631 - Home and Away, #632 - Home and Away II, #633 - Way Back When
- Benglo #617 - Man of Mercury, #618 - Man of Mercury II, #619 - Behind the Scenes, #621 - It’s Hammer Time, #623 - One Gets Away, #624 - Once a Ranger, #625 - Once a Ranger II, #626 - One Fine Day, #627 - Ronny on Empty, #628 - Ronny on Empty II, #630 - Red Ranger Unplugged, #631 - Home and Away, #632 - Home and Away II, #633 - Way Back When
- Big Mouth Monster #612 - Both Sides Now, #633 - Way Back When
- Blothgaar #622 - Out of Luck
- Bombardo #610 - Pirate in Pink, #633 - Way Back When
- Bullox #615 - Face to Face, #616 - Face to Face II
- “Camera Monster” #614 - Lights, Camera, Dax
- Cheetar #617 - Man of Mercury, #618 - Man of Mercury II
- Chillers #605 - Kick into Overdrive, #607 - The Underwater World, #608 - Heart of Blue, #613 - Follow the Ranger, #615 - Face to Face, #618 - Man of Mercury II, #619 - Behind the Scenes, #620 - Just Like Me, #621 - It’s Hammer Time, #624 - Once a Ranger, #625 - Once a Ranger II, #627 - Ronny on Empty, #630 - Red Ranger Unplugged, #631 - Home and Away, #633 - Way Back When, #635 - Nothing to Lose, #636 - Crown and Punishment
- Crazar #630 - Red Ranger Unplugged, #632 - Home and Away II
- “Cybernetic Rex” #627 - Ronny on Empty, #628 - Ronny on Empty II
- Datum #629 - Things Not Said
- Dragonizer #613 - Follow the Ranger
- “Fearcats’s Machine” #631 - Home and Away, #633 - Way Back When
- “Fearcats’s Robot” #621 - It’s Hammer Time
- “Fearcats’s Robot Mark II” #623 - One Gets Away, #633 - Way Back When
- “Fearcats’s Robot Mark III” #626 - One Fine Day
- Flurious #605 - Kick into Overdrive, #606 - Kick into Overdrive II, #607 - The Underwater World, #608 - Heart of Blue, #609 - Weather or Not, #613 - Follow the Ranger, #615 - Face to Face, #616 - Face to Face II, #617 - Man of Mercury, #618 - Man of Mercury II, #619 - Behind the Scenes, #620 - Just Like Me, #621 - It’s Hammer Time, #623 - One Gets Away, #624 - Once a Ranger, #625 - Once a Ranger II, #626 - One Fine Day, #627 - Ronny on Empty, #628 - Ronny on Empty II, #630 - Red Ranger Unplugged, #631 - Home and Away, #632 - Home and Away II, #634 - Two Fallen Foes, #635 - Nothing to Lose, #636 - Crown and Punishment
- “Flurious’s Robot” #619 - Behind the Scenes, #633 - Way Back When
- Flurrex #636 - Crown and Punishment
- “Garbage Warrior” #629 - Things Not Said
- Generalissimo #624 - Once a Ranger
- Giant Sea Monster #606 - Kick into Overdrive II
- “Golem Warrior” #629 - Things Not Said
- Kamdor #608 - Heart of Blue, #610 - Pirate in Pink, #612 - Both Sides Now, #614 - Lights, Camera, Dax, #617 - Man of Mercury, #619 - Behind the Scenes, #621 - It’s Hammer Time, #623 - One Gets Away, #624 - Once a Ranger, #625 - Once a Ranger II, #628 - Ronny on Empty II, #629 - Things Not Said, #631 - Home and Away, #632 - Home and Away II, #633 - Way Back When, #634 - Two Fallen Foes
- Lava Lizards #605 - Kick into Overdrive, #606 - Kick into Overdrive II, #609 - Weather or Not, #611 - At All Cost, #613 - Follow the Ranger, #614 - Lights, Camera, Dax, #615 - Face to Face, #616 - Face to Face II, #620 - Just Like Me, #621 - It’s Hammer Time, #622 - Out of Luck, #623 - One Gets Away, #624 - Once a Ranger, #625 - Once a Ranger II, #627 - Ronny on Empty, #628 - Ronny on Empty II, #631 - Home and Away, #633 - Way Back When, #635 - Nothing to Lose
- Lavadactyls #615 - Face to Face, #616 - Face to Face II, #627 - Ronny on Empty, #633 - Way Back When
- Magmador #635 - Nothing to Lose
- Mig #616 - Face to Face II, #617 - Man of Mercury, #618 - Man of Mercury II, #619 - Behind the Scenes, #621 - It’s Hammer Time, #623 - One Gets Away, #624 - Once a Ranger, #625 - Once a Ranger II, #626 - One Fine Day, #627 - Ronny on Empty, #628 - Ronny on Empty II, #630 - Red Ranger Unplugged, #631 - Home and Away, #632 - Home and Away II, #633 - Way Back When
- Miratrix #608 - Heart of Blue, #610 - Pirate in Pink, #612 - Both Sides Now, #614 - Lights, Camera, Dax, #617 - Man of Mercury, #619 - Behind the Scenes, #621 - It’s Hammer Time, #623 - One Gets Away, #624 - Once a Ranger, #625 - Once a Ranger II, #627 - Ronny on Empty, #628 - Ronny on Empty II, #629 - Things Not Said, #631 - Home and Away, #632 - Home and Away II, #633 - Way Back When, #634 - Two Fallen Foes
- Miratrix Monster #634 - Two Fallen Foes
- Moltor #605 - Kick into Overdrive, #606 - Kick into Overdrive II, #607 - The Underwater World, #609 - Weather or Not, #611 - At All Cost, #613 - Follow the Ranger, #614 - Lights, Camera, Dax, #615 - Face to Face, #616 - Face to Face II, #620 - Just Like Me, #621 - It’s Hammer Time, #622 - Out of Luck, #623 - One Gets Away, #624 - Once a Ranger, #625 - Once a Ranger II, #627 - Ronny on Empty, #628 - Ronny on Empty II, #631 - Home and Away, #632 - Home and Away II, #633 - Way Back When, #634 - Two Fallen Foes, #635 - Nothing to Lose
- Moltorzord #613 - Follow the Ranger
- “Prince Warrior” #629 - Things Not Said
- Skeltex #614 - Lights, Camera, Dax
- “Speaker Monster” #614 - Lights, Camera, Dax
- “Stone Warrior” #629 - Things Not Said, #633 - Way Back When
- Temple Monster #607 - The Underwater World
- Thrax #624 - Once a Ranger, #625 - Once a Ranger II
- Top Hat #621 - It’s Hammer Time
- Ultrog #608 - Heart of Blue, #633 - Way Back When
- Vulcon #611 - At All Cost
- Vulturus #624 - Once a Ranger, #625 - Once a Ranger II
- Vulturus Maximus #625 - Once a Ranger II
- Weather Monster #609 - Weather or Not
- “Winged Warrior” #629 - Things Not Said
Total: 46 monsters