The My Friend, the Gorilla Affair - S3-E14
Factual error: When Baby the gorilla walks around, he consistently does so bipedally, like a human. While gorillas can walk that way over short distances when carrying food or when defending themselves, they more commonly move quadrapedally on their knuckles.
Answer: He must have ridden in an Eaton's store elevator while he was in Canada at some point. For some reason, this elevator reminds him of it. The show's original concept had Solo being a Canadian, so this may be a minor nod to that fact.
raywest ★