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