Aaahh!!! Real Monsters (1994)

S2E1 Spontaneously Combustible

Ickis learns he has a rare condition that could cause him to burst into flames unexpectedly. While his friends express sympathy for his plight, they also hesitate to stay close, anxious about the potential danger he poses. Meanwhile, the Gromble labels the Academy monsters as "humans" due to their fear of the unknown, highlighting their reluctance to confront what they cannot comprehend.