Monsters featured in Mighty Morphin Power Rangers (season 1)

Babe Ruthless
#32 - A Star is Born
Baboo
#1 - Day of the Dumpster, #2 - High Five, #3 - Teamwork, #4 - A Pressing Engagement, #5 - Different Drum, #6 - Food Fight, #7 - Big Sisters, #8 - I, Eye Guy, #9 - For Whom the Bell Trolls, #10 - Happy Birthday, Zack, #11 - No Clowning Around, #12 - Power Ranger Punks, #13 - Peace, Love and Woe, #14 - Foul Play in the Sky, #15 - Dark Warrior, #16 - Switching Places, #17 - Green With Evil Part I, #18 - Green With Evil Part II, #19 - Green With Evil Part III, #20 - Green With Evil Part IV, #21 - Green With Evil Part V, #22 - The Trouble with Shellshock, #23 - Itsy Bitsy Spider, #24 - The Spit Flower, #25 - Life’s a Masquerade, #26 - Gung Ho!, #27 - Wheel of Misfortune, #28 - Island of Illusion Part I, #29 - Island of Illusion Part II, #30 - The Rockstar, #31 - Calamity Kimberly, #32 - A Star is Born, #33 - The Yolk’s on You!, #34 - The Green Candle Part I, #35 - The Green Candle Part II, #36 - Birds of a Feather, #37 - Clean-Up Club, #38 - A Bad Reflection on You, #39 - Doomsday Part I, #40 - Doomsday Part II, #41 - A Pig Surprise, #42 - Something Fishy, #43 - Rita’s Seed of Evil, #44 - Lions & Blizzards, #45 - To Flea or Not to Flee, #46 - Reign of the Jellyfish, #47 - Crystal of Nightmares, #48 - Plague of the Mantis, #49 - Return of an Old Friend Part I, #50 - Return of an Old Friend Part II, #51 - Grumble Bee, #52 - Two Heads Are Better than One, #53 - Fowl Play, #54 - Trick or Treat, #55 - Second Chance, #56 - On Fins and Needles, #57 - Enter... the Lizzinator, #58 - Football Season, #59 - Mighty Morphin’ Mutants, #60 - An Oyster Stew
Bones
#2 - High Five
Cardiatron
#36 - Birds of a Feather
Chunky Chicken
#7 - Big Sisters
Commander Crayfish
#59 - Mighty Morphin’ Mutants
Cyclops
#34 - The Green Candle Part I, #35 - The Green Candle Part II
Cyclopsis
#39 - Doomsday Part I, #40 - Doomsday Part II
Dark Warrior
#15 - Dark Warrior
Dramole
#49 - Return of an Old Friend Part I, #50 - Return of an Old Friend Part II
Eye Guy
#8 - I, Eye Guy, #28 - Island of Illusion Part I
Fang
#33 - The Yolk’s on You!
Fighting Flea
#45 - To Flea or Not to Flee
Finster
#1 - Day of the Dumpster, #2 - High Five, #3 - Teamwork, #4 - A Pressing Engagement, #5 - Different Drum, #6 - Food Fight, #7 - Big Sisters, #8 - I, Eye Guy, #9 - For Whom the Bell Trolls, #10 - Happy Birthday, Zack, #11 - No Clowning Around, #12 - Power Ranger Punks, #13 - Peace, Love and Woe, #14 - Foul Play in the Sky, #15 - Dark Warrior, #17 - Green With Evil Part I, #18 - Green With Evil Part II, #20 - Green With Evil Part IV, #21 - Green With Evil Part V, #22 - The Trouble with Shellshock, #23 - Itsy Bitsy Spider, #24 - The Spit Flower, #25 - Life’s a Masquerade, #26 - Gung Ho!, #27 - Wheel of Misfortune, #28 - Island of Illusion Part I, #31 - Calamity Kimberly, #32 - A Star is Born, #33 - The Yolk’s on You!, #34 - The Green Candle Part I, #35 - The Green Candle Part II, #36 - Birds of a Feather, #38 - A Bad Reflection on You, #39 - Doomsday Part I, #40 - Doomsday Part II, #45 - To Flea or Not to Flee, #46 - Reign of the Jellyfish, #47 - Crystal of Nightmares, #48 - Plague of the Mantis, #49 - Return of an Old Friend Part I, #50 - Return of an Old Friend Part II, #51 - Grumble Bee, #52 - Two Heads Are Better than One, #53 - Fowl Play, #55 - Second Chance, #56 - On Fins and Needles, #57 - Enter... the Lizzinator, #59 - Mighty Morphin’ Mutants, #60 - An Oyster Stew
Frankenstein
#25 - Life’s a Masquerade, #26 - Gung Ho!
Genie
#16 - Switching Places
Giant
#2 - High Five
Gnarly Gnome
#5 - Different Drum
Goatan
#44 - Lions & Blizzards
Goldar
#1 - Day of the Dumpster, #2 - High Five, #3 - Teamwork, #4 - A Pressing Engagement, #7 - Big Sisters, #8 - I, Eye Guy, #9 - For Whom the Bell Trolls, #10 - Happy Birthday, Zack, #11 - No Clowning Around, #14 - Foul Play in the Sky, #15 - Dark Warrior, #16 - Switching Places, #17 - Green With Evil Part I, #18 - Green With Evil Part II, #19 - Green With Evil Part III, #20 - Green With Evil Part IV, #21 - Green With Evil Part V, #22 - The Trouble with Shellshock, #23 - Itsy Bitsy Spider, #24 - The Spit Flower, #25 - Life’s a Masquerade, #26 - Gung Ho!, #27 - Wheel of Misfortune, #28 - Island of Illusion Part I, #29 - Island of Illusion Part II, #30 - The Rockstar, #31 - Calamity Kimberly, #32 - A Star is Born, #33 - The Yolk’s on You!, #34 - The Green Candle Part I, #35 - The Green Candle Part II, #36 - Birds of a Feather, #37 - Clean-Up Club, #38 - A Bad Reflection on You, #39 - Doomsday Part I, #40 - Doomsday Part II, #41 - A Pig Surprise, #42 - Something Fishy, #43 - Rita’s Seed of Evil, #44 - Lions & Blizzards, #45 - To Flea or Not to Flee, #46 - Reign of the Jellyfish, #47 - Crystal of Nightmares, #48 - Plague of the Mantis, #49 - Return of an Old Friend Part I, #50 - Return of an Old Friend Part II, #51 - Grumble Bee, #52 - Two Heads Are Better than One, #53 - Fowl Play, #54 - Trick or Treat, #55 - Second Chance, #56 - On Fins and Needles, #57 - Enter... the Lizzinator, #58 - Football Season, #59 - Mighty Morphin’ Mutants, #60 - An Oyster Stew
Goo Fish
#42 - Something Fishy
Grumble Bee
#51 - Grumble Bee
Hatchasaurus
#36 - Birds of a Feather
Jellyfish
#46 - Reign of the Jellyfish
King Sphinx
#4 - A Pressing Engagement, #29 - Island of Illusion Part II
Knasty Knight
#10 - Happy Birthday, Zack, #29 - Island of Illusion Part II, #47 - Crystal of Nightmares
Lizzinator
#57 - Enter... the Lizzinator
Lokar
#28 - Island of Illusion Part I, #29 - Island of Illusion Part II, #39 - Doomsday Part I, #40 - Doomsday Part II
Madame Woe
#13 - Peace, Love and Woe
Mantis
#48 - Plague of the Mantis
Minotaur
#3 - Teamwork
Mr. Ticklesneezer
#9 - For Whom the Bell Trolls
Mutitus
#28 - Island of Illusion Part I, #29 - Island of Illusion Part II
Octoplant
#43 - Rita’s Seed of Evil
Oysterizer
#60 - An Oyster Stew
Peckster
#53 - Fowl Play
Pineoctopus
#11 - No Clowning Around, #28 - Island of Illusion Part I
Polluticorn
#37 - Clean-Up Club
Pudgy Pig
#6 - Food Fight, #28 - Island of Illusion Part I, #41 - A Pig Surprise
Pumpkin Rapper
#54 - Trick or Treat
Putty Patrollers
#1 - Day of the Dumpster, #2 - High Five, #3 - Teamwork, #4 - A Pressing Engagement, #5 - Different Drum, #7 - Big Sisters, #8 - I, Eye Guy, #9 - For Whom the Bell Trolls, #11 - No Clowning Around, #12 - Power Ranger Punks, #13 - Peace, Love and Woe, #14 - Foul Play in the Sky, #15 - Dark Warrior, #16 - Switching Places, #17 - Green With Evil Part I, #18 - Green With Evil Part II, #19 - Green With Evil Part III, #20 - Green With Evil Part IV, #22 - The Trouble with Shellshock, #23 - Itsy Bitsy Spider, #24 - The Spit Flower, #25 - Life’s a Masquerade, #26 - Gung Ho!, #27 - Wheel of Misfortune, #28 - Island of Illusion Part I, #29 - Island of Illusion Part II, #30 - The Rockstar, #31 - Calamity Kimberly, #32 - A Star is Born, #33 - The Yolk’s on You!, #34 - The Green Candle Part I, #37 - Clean-Up Club, #38 - A Bad Reflection on You, #41 - A Pig Surprise, #42 - Something Fishy, #43 - Rita’s Seed of Evil, #44 - Lions & Blizzards, #45 - To Flea or Not to Flee, #46 - Reign of the Jellyfish, #47 - Crystal of Nightmares, #48 - Plague of the Mantis, #49 - Return of an Old Friend Part I, #50 - Return of an Old Friend Part II, #51 - Grumble Bee, #52 - Two Heads Are Better than One, #53 - Fowl Play, #54 - Trick or Treat, #55 - Second Chance, #56 - On Fins and Needles, #57 - Enter... the Lizzinator, #58 - Football Season, #59 - Mighty Morphin’ Mutants, #60 - An Oyster Stew
Rhinoblaster
#58 - Football Season
Rita Repulsa
#1 - Day of the Dumpster, #2 - High Five, #3 - Teamwork, #4 - A Pressing Engagement, #5 - Different Drum, #6 - Food Fight, #7 - Big Sisters, #8 - I, Eye Guy, #9 - For Whom the Bell Trolls, #10 - Happy Birthday, Zack, #11 - No Clowning Around, #12 - Power Ranger Punks, #13 - Peace, Love and Woe, #14 - Foul Play in the Sky, #15 - Dark Warrior, #16 - Switching Places, #17 - Green With Evil Part I, #18 - Green With Evil Part II, #19 - Green With Evil Part III, #20 - Green With Evil Part IV, #21 - Green With Evil Part V, #22 - The Trouble with Shellshock, #23 - Itsy Bitsy Spider, #24 - The Spit Flower, #25 - Life’s a Masquerade, #26 - Gung Ho!, #27 - Wheel of Misfortune, #28 - Island of Illusion Part I, #29 - Island of Illusion Part II, #30 - The Rockstar, #31 - Calamity Kimberly, #32 - A Star is Born, #33 - The Yolk’s on You!, #34 - The Green Candle Part I, #35 - The Green Candle Part II, #36 - Birds of a Feather, #37 - Clean-Up Club, #38 - A Bad Reflection on You, #39 - Doomsday Part I, #40 - Doomsday Part II, #41 - A Pig Surprise, #42 - Something Fishy, #43 - Rita’s Seed of Evil, #44 - Lions & Blizzards, #45 - To Flea or Not to Flee, #46 - Reign of the Jellyfish, #47 - Crystal of Nightmares, #48 - Plague of the Mantis, #49 - Return of an Old Friend Part I, #50 - Return of an Old Friend Part II, #51 - Grumble Bee, #52 - Two Heads Are Better than One, #53 - Fowl Play, #54 - Trick or Treat, #55 - Second Chance, #56 - On Fins and Needles, #57 - Enter... the Lizzinator, #58 - Football Season, #59 - Mighty Morphin’ Mutants, #60 - An Oyster Stew
Rockstar
#30 - The Rockstar
Samurai Fan Man
#31 - Calamity Kimberly, #47 - Crystal of Nightmares
Scorpina
#19 - Green With Evil Part III, #20 - Green With Evil Part IV, #21 - Green With Evil Part V, #27 - Wheel of Misfortune, #28 - Island of Illusion Part I, #29 - Island of Illusion Part II, #30 - The Rockstar, #32 - A Star is Born, #36 - Birds of a Feather, #37 - Clean-Up Club, #38 - A Bad Reflection on You, #39 - Doomsday Part I, #40 - Doomsday Part II, #43 - Rita’s Seed of Evil, #44 - Lions & Blizzards, #45 - To Flea or Not to Flee, #46 - Reign of the Jellyfish, #47 - Crystal of Nightmares, #49 - Return of an Old Friend Part I, #50 - Return of an Old Friend Part II, #54 - Trick or Treat
Shellshock
#22 - The Trouble with Shellshock, #28 - Island of Illusion Part I, #41 - A Pig Surprise
“Skeleton Warriors”
#2 - High Five
Slippery Shark
#56 - On Fins and Needles
Snizzard
#14 - Foul Play in the Sky, #28 - Island of Illusion Part I, #29 - Island of Illusion Part II
Soccadillo
#55 - Second Chance
Spidertron
#23 - Itsy Bitsy Spider
Spit Flower
#24 - The Spit Flower
Squatt
#1 - Day of the Dumpster, #2 - High Five, #3 - Teamwork, #4 - A Pressing Engagement, #5 - Different Drum, #6 - Food Fight, #7 - Big Sisters, #8 - I, Eye Guy, #9 - For Whom the Bell Trolls, #10 - Happy Birthday, Zack, #11 - No Clowning Around, #12 - Power Ranger Punks, #13 - Peace, Love and Woe, #14 - Foul Play in the Sky, #15 - Dark Warrior, #16 - Switching Places, #17 - Green With Evil Part I, #18 - Green With Evil Part II, #19 - Green With Evil Part III, #20 - Green With Evil Part IV, #21 - Green With Evil Part V, #22 - The Trouble with Shellshock, #23 - Itsy Bitsy Spider, #24 - The Spit Flower, #25 - Life’s a Masquerade, #26 - Gung Ho!, #27 - Wheel of Misfortune, #28 - Island of Illusion Part I, #29 - Island of Illusion Part II, #30 - The Rockstar, #31 - Calamity Kimberly, #32 - A Star is Born, #33 - The Yolk’s on You!, #34 - The Green Candle Part I, #35 - The Green Candle Part II, #36 - Birds of a Feather, #37 - Clean-Up Club, #38 - A Bad Reflection on You, #39 - Doomsday Part I, #40 - Doomsday Part II, #41 - A Pig Surprise, #42 - Something Fishy, #43 - Rita’s Seed of Evil, #44 - Lions & Blizzards, #45 - To Flea or Not to Flee, #46 - Reign of the Jellyfish, #47 - Crystal of Nightmares, #48 - Plague of the Mantis, #49 - Return of an Old Friend Part I, #50 - Return of an Old Friend Part II, #51 - Grumble Bee, #52 - Two Heads Are Better than One, #53 - Fowl Play, #54 - Trick or Treat, #55 - Second Chance, #56 - On Fins and Needles, #57 - Enter... the Lizzinator, #58 - Football Season, #59 - Mighty Morphin’ Mutants, #60 - An Oyster Stew
Super Putties
#26 - Gung Ho!, #43 - Rita’s Seed of Evil, #46 - Reign of the Jellyfish
Terror Toad
#12 - Power Ranger Punks, #29 - Island of Illusion Part II, #47 - Crystal of Nightmares
Twin Man
#38 - A Bad Reflection on You
Two-Headed Parrot
#52 - Two Heads Are Better than One
Weaveworm
#32 - A Star is Born

Total: 59 monsters