When Candelario is reluctant to tell his grandfather about his experience competing in a surf contest with an extremely agile dolphin, Guillermina is quick to chime in.

The word, "vaina," is popularly used in many Latin American countries, and according to Carlos, who explains its origin and diverse uses, "defines everything and nothing at the same time."

Can Guillermina and Candelario salvage the concert at the bottom of the sea?

On the way to an undersea concert, Guillermina and Candelario discover that the famous trombonist, Charly Fish, has disappeared. Can they find him?

Carlos and Xavi point out to us a number of cases in which different words are utilized for the very same object or concept in Spain versus Colombia.

While in Colombia, the second person plural pronoun, "ustedes," is typically used to address more than one person as "you," both formally and informally, in Spain, "vosotros" is much more commonly used on an informal basis. Carlos and Xavi provide us with several examples of how the same idea would be expressed using either "ustedes" or "vosotros."

While looking for a gift for their Grandma, Guillermina and Candelario encounter a starfish and contemplate its origins.

With several examples, Carlos and Xavi continue to demonstrate to us the difference in pronunciation of the letters "c" and "z" in Colombia and Spain.

Carlos and Xavi, Carlos' Spanish friend, invite us to observe the difference in pronunciation between the Spanish from Spain and Latin American Spanish, particularly as regards the letters "c" and "z."

Guillermina and Candelario befriend Martin, a kind and interesting penguin, and teach their grandfather all about him.

When Guillermina and Candelario decide to play pirates and hide their treasure, they soon discover they're being watched by a wild tribe.

Lida, Cleer and Lila share with us some of the unique traditions of Colombia's Christmas season, which lasts from late November until early January.

"A La Nanita Nana" is a traditional lullaby in honor of the Baby Jesus that has become a very popular Christmas carol within the Spanish-speaking world.

Guillermina makes an extraordinary discovery at the beach and shares all the "mythical" details with Candelario and her grandfather.

An extraordinary discovery transforms a regular soccer match into a new and exciting adventure for Guillermina and Candelario.