Description:  The Sylvester & Tweety Mysteries is a Looney Tunes cartoon where Granny, Tweety, Sylvester, and Hector globetrot solving crimes, with Granny leading the detective work while Sylvester constantly tries to eat Tweety, only to be thwarted by Hector, the bulldog bodyguard, creating comedic chaos during their international adventures.

Characters: Granny (the globetrotting detective), Tweety (the smart canary), Sylvester (the perpetually hungry cat), and Hector (Tweety's protective bulldog).

Premise: Granny's detective skills uncover mysteries worldwide, but the real action is the ongoing cat-and-bird chase, with Hector ensuring Sylvester doesn't succeed.

Structure: Episodes often start with a call for a famous detective, who's unavailable, leading to Granny being recruited; some episodes have one case, others two.

Cameos: Many other classic Looney Tunes characters appear as guests, with Cool Cat a near-constant background presence.