Let's Protect Our Earth is the 18th episode of Season 16 . It aired on December 15, 2015. It is a semi-remake of the season 1 classic Our Earth, Our Home


When a wrapper for peanuts fall on Barney's head, a normal afternoon of play becomes a dectective's case. Along the way of finding who the "litter-er" is. Barney teaches the kids valuble lessons about our earth and how we need to keep it clean!


  • Barney (Costume: Carey Stinson) (Voice: Dean Wendt)
  • BJ (Costume: Adam Brown) (Voice: Patty Wirtz)
  • Jenny
  • Mackenzie
  • Brandon
  • Kimmy
  • Drew
  • Marcus


  1. Barney Theme Song
  2. It's a Fun, Fun Sunny Day
  3. Pick Up Your Part of the World
  4. Help Protect the Earth
  5. The Green Grass Grows All Around
  6. Way Up in a Tree
  7. The Ants Go Marching
  8. The Rainbow Song
  9. I Love You