Baby Bop's friend Monty the butterfly passes through the park with a flock of friends on their way to Mexico. When Monty gets left behind by his insect friends and family, Barney takes everyone on a visit to Mexico, where Baby Bop will say good-bye to her butterfly friend.

arney's excited to find out that Rusty's family is adopting a new baby girl from China; however, Rusty's not sure if he's going to be a good brother, and he doesn't know much about China. Barney shows Rusty and the others some info China on the computer and BJ and Baby Bop talk about siblings. Through Barney's Travel Book, Barney takes Rusty, BJ and Baby Bop on an adventure to China where he can learn more about his new sister's heritage. When they get there, the people are celebrating Chinese New Year. From lion dances and talented performers to tasty treats and puppet shows, the celebration never runs out of fun.

Ben is late to the park and is disappointed to realize he missed his chance at riding a real pony. He has waited his whole life for this, and now it looks as if he’s missed his opportunity. Luckily, Barney takes him to Spain where they meet Regalo, a dancing horse with Riff and Baby Bop. Ben and Barney return to the park just in time for Ben to ride the pony after all! Ben is thrilled to ride a horse and learned an important lesson about patience and waiting.

Emma is stuck with a school project and can't play soccer with Joshua. Having to interview her parents and get info about an interesting ancestor, she is frustrated with the assignment. Barney helps her discover that her ancestors were from Venice, Italy. Using his Travel Book, Barney takes Josh, Emma, and Riff to Venice. He gives his friends a gondola ride as well as telling them about famous explorer Marco Polo. Barney's friend Anna Maria tells Emma that she knew her great grandfather and takes her to his shop, where they try on masks and make some of their own. Emma learns that if she makes the mask in parts, she'll get it done. Barney reminds her of this lesson, so she will do the same for her school project.

Barney, Baby Bop and BJ are helping the kids get ready for a school play. Barney tells everyone that putting on shows began in Greece. Of course, the little dinos and kids want to visit the country, so off they go! While there, they meet some Greek friends and decide to put on a play in an amphitheatre. Barney knows a great story that originated in Greece called “King Midas.” By the end of the day, everyone has learned that wanting too much is not a good thing, especially BJ!

The kids are having a yard sale, getting rid of old toys, books and clothes. Kioko shows up holding a prized possession-a music box from Switzerland. By accident, Ben includes the music box in a cardboard box of yard sale items-and the music box is sold! Kioko is sad and Ben wants to make things right, so he and Barney travel to Switzerland in search of a replacement gift. While there, they sample Swiss food, customs and games-but no music box! Luckily when Ben returns the music box is returned!

When the kids find a mysterious, colorful egg in the park, Barney takes them on a trip to Kenya to try to find out what kind of animal could have laid the egg. While in Kenya, they meet Ayira who introduces them to many people, cultures and animals of Kenya!

What started out as a day of play, suddenly turns into a search for a "Bird of Paradise" that Tracy needs for her school project. Ben tells her that it's a rare bird, and they are only found in Hawaii. Barney then takes the kids to Hawaii, using his Travel Book. There they learn different words, how to make leis and even a hula dance. In the end everyone finds out that the "Bird of Paradise" is actually a flower, not a bird.

Emma wants to paint an award-winning painting for the "Art In The Park Show," but she is just isn't satisfied with her artwork. Barney takes her to France to learn how to paint from his friend Pierre. While there, they learn about France and how to "paint by following your heart!"

It's Earth Day, a great time for everyone to learn how to help take care of our world, but Ben is wasting paper while BJ isn't too concerned about cutting down a tree to make room for a new playground. After a trip to the rainforest and a meeting with Mother Nature, everyone learns the importance of taking care of our world. As Earth Day comes to an end, Barney reminds us all that taking good care of our Earth is the natural thing to do…for the people we love.