Apples are fruits that are white with red, green, or yellow skin, a brown stem that may have a green leaf or more, and black seeds at the center of the core that grow from trees. They can be eaten by themselves or used to make other foods. They appeared in "What Does Blue Need?", "Blue Goes to the Beach", "A Snowy Day", "What Experiment Does Blue Want to Try?", "Blue's ABCs", "Math", "Weight and Balance", "Thankful", "Signs", "What's Inside?", "The Snack Chart", "Numbers Everywhere!", "Blue's Wishes", "Blue's ABC Time Activities", "Blue's 123 Time Activities", "Blue's Reading Time Activities", "Blue's Clues: Preschool".
An apple was the 1st clue in. "Thankful" and its remake "Thankful with Blue".
