"The kids can't sing without teeth, right?"
I wouldn't hold that against them, Will. Artie can dance without feet, remember? Still, Will thinks it's important to have Carl the Dentist come talk to his kids. Because dental hygiene is important. But mostly because he just waltzed right into his school territory and planted a big one on you-can-probably-guess-who.
Check out these two sneak peeks (number one - your first look at John Stamos as Emma's dentist boyfriend, Carl; number two - your first look at Heather Morris singing as Brittany) for next week's new Glee, "Britney/Brittany":