Continuity mistake: When Bulk and Skull interrupt the Karate lesson and push Billy aside. A shot of Jason standing next to the wall has a painting of an umbrella right behind Jason's shoulder. Then when Bulk and Skull walk up to him, suddenly there is a good couple feet distance between him and the umbrella. (00:05:17)
Continuity mistake: After Rita is freed and blows up her dumpster prison, she taunts the astronauts and says she's going to destroy the nearest planet. She's making a hand gesture as she does and then suddenly between cuts she's in a different position. The goons beside her also are in different stances. (00:01:58)
Continuity mistake: When Bulk and Skull are thrown onto the crash mats, Skull's position changes instantly. Note the edge of the pattern on the mat in relation to his left knee. (00:04:00)
Continuity mistake: When the Rangers find Uncle Howard tied to the bombs, Howard asks "Did he tell you about the bomb?" then we see the clock counting down from 18 seconds. A few seconds later, Billy is being encouraged to deactivate the bomb. We get another view of the clock with Billy's hand trying to deactivate it, and the clock is counting down from 18 seconds again. (00:11:55)
Continuity mistake: When Alpha is preparing the antidote for Billy and Kimberly after they are turned into punks, the cups change from being half full to having only a small amount of liquid. (00:13:30)
Food Fight - S1-E6
Continuity mistake: During the Food Fight at the start, the amount of food on Bulk's head changes instantly. (00:06:40)
The Trouble with Shellshock - S1-E22
Continuity mistake: The very first time we see Shell Shock he is missing his signature traffic lights. (00:03:25)
Continuity mistake: At the start, Kim falls out of bed and her alarm clock is at an angle to the edge of the bedside table. Camera cuts and it's parallel. (00:01:30)
Continuity mistake: The Rangers form the megazord, followed by the ultra mega zord. As soon as the wheel is destroyed, the ultra megazord has vanished, to be replaced by the standard megazord. (00:15:25)
Continuity mistake: Tommy has rope tied around his wrists when captured by the Puttys. When he breaks free, the rope breaks between the two wrists. However the knots and loops around his wrist vanish instantly. (00:12:15)
Continuity mistake: Tommy goes to hit the spider on Zack's back with the blue folder, and does so. However as the camera cuts the folder vanishes. (00:02:25)
Green With Evil (1): Out of Control - S1-E17
Continuity mistake: Tommy throws putty onto some boxes and takes a stance with his arms raised. Camera cuts and his position has changed completely. (00:06:45)
Continuity mistake: When the Rangers first appear against Genie, he shoots rods at the rangers which stick in the ground, he then fires a string type substance at them. However the rods have disappeared. (00:11:40)
Continuity mistake: When the Red Ranger is being held by the giant monster, his right arm goes from trapped to free and back between shots. (00:16:20)
Continuity mistake: At the start, the blue mixture in the "cake-o-matic" appears instantly. (00:00:10)
Green With Evil (1): Out of Control - S1-E17
Continuity mistake: In this episode, the rangers call on the zords and form the tank mode. We then see the Triceratops traveling over the desert again. (00:16:00)
Suggested correction: This isn't a continuity mistake. The Triceratops forms the legs and are the wheels of the tank mode. That's the shot of the left leg of the tank mode's (i.e. the Triceratops) tracks rolling along the ground.