From PBS KIDS - The Big Dog Problem: When Peg and Cat need to mail some important letters for Peg's Mom, they find their path to the mailbox blocked by a really big dog. ...

From PBS KIDS: Yet Another Tree Problem: The tables are turned! Peg is stuck up in the tree and Cat must figure out how to get her down... by making a ladder out of found ...

From PBS KIDS: The Birthday Cake Problem: Peg and Cat make a rockin' birthday cake for Jonah and his friends the Teens, but first they need to figure out how old he is go ...