Brian has a microchip that reveals he had a family before the Griffins, when he then seeks out. After meeting the richer, smarter Hendersons, Brian struggles to enjoy his life with the Griffins as much as he once did.
Family Guy S19E16 Screenshot
Overly focused, it's far from the time to rest now
Debates growin' 'bout who they think is the best now
Took a while, got the jokers out of the deck now
I'm holdin' all the cards and dudes wanna play chess now