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.

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?

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.

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

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.

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.

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!

Professor Maria teaches her students the names of a variety of stores and public buildings as well as discussing what is done at them or what might be purchased.

At El Aula Azul, Idoia and Ester speak enthusiastically about their weekend plans. While Ester intends to go to a concert, Idoia's long weekend in Barcelona will include a whole host of eclectic activities.

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.

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