The Fresh Prince Of Bel-Air: The Philadelphia Story
Series 4 episode 26 from 1994.
The family visit Will’s mom in Philadelphia.
He meets the man who twirls him in the opening credits and seeks revenge.
However, he’s now a changed character and although Will tries to goad him, he tells him to grow up.
It ends with Will deciding to stay when the family returns to California.
Movie pages here.