"Ready, Set, Hike!" - Adventure awaits! As a Great Helpee is ready to hatch in HelpeeLand National Park, Mack & Moxy head out with Trooper Tigran. They're welcomed by Ranger Rosey, an extroverted outdoor enthusiast who is delighted to introduce them to the wonders of nature. Along the way they breathe in the fresh air, explore the terrain, discover different types of plants, learn about the park's history, and take photos to share, inspiring others to enjoy the majestic lands. But sharing doesn't work for Shelfish Sheldon, who scrambles to the Great Helpee, set on keeping all its happiness for himself. A celebrity cast including Hank Azaria (The Simpsons, Family Guy) and guest star Eva LaRue (CSI Miami, All My Children) helps the Heroes' mission in support of the National Park Foundation, a legacy focusing on safeguarding our natural heritage in over 400 national parks and inspiring lifelong engagement for the next generation of park stewards. "A Spectrum of Possibilities" - Time to rock! When a Great Helpee is about to hatch in the Musical Forest of HelpeeLand, Mack & Moxy are joined by Trooper Charlie, a boy with autism. They land high atop a colorful tree and see a Little Bird building his nest nearby. Confused as to why their new friend won't look at or talk to them, Trooper Charlie recognizes that Little Bird also has autism. Once they all celebrate the joys of being different, Little Bird's unique talents help them find their way to the Great Helpee! But cliff-climbing Shelfish Sheldon almost has it in his grasp, eager to keep all its happiness for himself. A celebrity cast including Hank Azaria (The Simpsons, Family Guy) and guest star Matt Lucas (Bridesmaids, Little Britain) helps the Heroes' mission in support of Easter Seals, helping individuals with disabilities and special needs, and their families, live better lives for nearly 100 years.