After hearing about Guillermina and Candelario's adventures with a blackbird, their Grandpa finally finds out the birthday surprise they have in store for him.

Guillermina and Candelario decide to give their grandpa a birthday surprise.

After failing to triumph at the surf competition, Candelario feels a bit defeated. However, his grandfather and sister are there to console him as usual and an unexpected surprise awaits him.

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.

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

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

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.

Carlos and Cyndy teach us to identify the difference in the manner in which the "double l" and "y" letters are pronounced in Colombia versus Argentina, with several examples.

In this episode, Gillermina becomes friends with a lady octopus while playing hide and seek with Candelario and learns a lot!

While playing on the beach, Guillermina and Candelario discover some interesting figures in the clouds and manage to ascend to play tag with them.

Rather than using the second person informal pronoun "tú," the "voseo," or use of the word "vos," is more commonly employed in Argentina and other countries to address someone as "you." Through examples, Carlos and Cyndy demonstrate how the same ideas would be expressed using each of these pronouns.

During their visit to the City of Crabs, Guillermina and Candelario encounter both the ghost and fiddler crabs- and take a lot of pictures along the way!

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.

Luis Miguel performs his famous tune, "La Bikina," which refers to a tormented woman. Composed by Ruben Fuentes, some say he coined the term after seeing women in bikinis during a walk on the beach, while others claim it was inspired by a legend during the times of the Cristeros in Jalisco, Mexico.