Revealing mistake: When Tracey goes around a corner on the boat, he clips through it. (00:06:04)
Revealing mistake: As Lawrence III walks up the stairs to his console, he clips through them in the process. (00:01:43)
Revealing mistake: In "Pikachu's Rescue Adventure", when Meowth first appears, his left arm is unpainted for a few frames.
Answer: Missingno is a glitch from the video games, and is not a real pokemon, so no.
MasterOfAll