“Peg + Cat,” pronounced “Peg Plus Cat,” a new, math-themed cartoon, will be added Monday to PBS Kids, the preschool lineup that already includes “The Cat in the Hat Knows a Lot About That” and ...

Cat is worried that Peg likes their new friend Big Dog more than him. Cat is worried that Peg likes their new friend Big Dog more than him. Peg + Cat is available to stream on pbs.org and the free PBS ...