As most die-hard fans know, Girl Meets World has taken over the Disney Channel and captured a new generation of hearts. However, that can't stop the world from forgetting the original Boy Meets World cast.

Lots of them have small roles in the new Disney show, but some of the other characters have gone under the radar and fans haven't seen them in years! Remember the youngest Matthews – Morgan Matthews? She looks completely different now that no one even recognizes her!

Not only that, but the whole cast has changed drastically from their days in the '90s. Just because you think you know what they look like now doesn't mean everyone remembers what they looked like 20 years ago!

So…let's take a trip down memory lane!

Click through the gallery and let us know which transformation is the most shocking to you in the comments below!

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