Guillermina and Candelario tell their grandfather about their strange encounter with pelicans one day while racing their paper boats.

Guillermina and Candelario tell their grandfather how, aboard a submarine, they managed to recover Candelario's lost boat.

Guillermina and Candelario tell their grandfather about their flight above the sea aboard a unique balloon.

Guillermina and Candelario tell their grandpa about their cake-making adventures and what they learned about coconut in the process.

In the process of recounting to their grandpa their adventures while looking for Guillermina's lost kite, Guillermina and Candelario learn all about volcanoes and islands.

Guillermina and Candelario's grandfather gives them a very interesting explanation for the rising and falling tides.

Aurelio and friends formulate a plan to go to the competition in place of Juli's father. But, how will she break to him that she doesn't want to go with him?

Will Juli abandon her school's competition or go with her father in the end?

One day while looking for shells for Guillermina's collection, Guillermina and Candelario find themselves in the mangrove, where they experience yet another wondrous adventure.

Candelario tells his grandfather how, with Guillermina's help on his most recent school project, he got the best grade in the class.

Guillermina and Candelario enjoy a day at the beach with the help of a palm tree that they use as a swing, but something incredible happens when Guillermina gets tangled up in it.

Guillermina and Candelario experience yet another adventurous outing in the jungle, where they play "King of the Jungle," a game in which they include their grandpa upon their return.

Guillermina and Candelario go to play at the lighthouse- and learn a lot in the process!

Guillermina and Candelario meet Grandma Marine, a one hundred and fifty-year-old sea turtle!

When the doll house that Guillermina is building gets swept away by a wave, Mister Snail offers his expertise to help build a new one.