The Belcher kids are about to have a day at the races, the go-kart races that is.

On Sunday's Bob's Burgers (9:30/8:30c, Fox), the siblings go to Speed Demons for a day of go-kart races, and stumble upon the bigger, badder world of league go-kart racing. "They're fast, and I'm curious," Tina says.

Yay, Bobby! Fox renews Bob's Burgers for a sixth season

Check out the exclusive sneak peek below to see a familiar face in that racing suit:

Bob's Burgers, which won an Emmy for Outstanding Animated Program, airs Sundays at 9:30/8:30c on Fox.