Car S.O.S. (2013)

S1E18 So Long Sucker

Tails brings home an adorable, squishy being from an alternate dimension, naming it Goobster. However, he soon discovers that this seemingly harmless creature is actually a black hole. As Goobster's true nature begins to emerge, Tails faces unexpected challenges and must find a way to manage the chaos that ensues, all while trying to keep his new friend safe. The episode explores themes of responsibility and the implications of embracing the unknown.