Sergio from Monterrey, Mexico, tells us about Mexico's great variety of amber as well as some of the ins and outs of the amber business.

Our tour guide, Marisa, takes us to the famous Retiro Park- the Central Park of Madrid, Spain.

When Candelario and his grandfather take an unexpected plunge, Guillermina concocts a creative solution.

Guillermina, Candelario and their grandfather have found the perfect spot to start shooting their horror movie. However, when Guillermina calls "Action!" her grandfather is nowhere in sight.

Guillermina and Candelario have decided to make a horror movie and their grandpa has scouted the perfect location.

Guillermina and Candelario conclude the story of their undersea dance contest adventure.

Guillermina and Candelario recount their undersea dance contest adventures to their grandpa.

Guillermina and Candelario's new Martian friend exposes them to great adventures in space! Listen as they recount them to their grandfather.

Guillermina and Candelario tell their grandfather about their encounter on the beach with a Martian.

In this video, we learn how to greet people, how to speak about ourselves, the phrases that we say when we meet new people, how to introduce ourselves and how to say goodbye.

After an initially frightening encounter with snakes on the Island of Snakes, Guillermina and Candelario manage to form a friendship with them and see them in a new light.

Guillermina and Candelario's separation during their trip to the amusement park helps Candelario to overcome one of his greatest fears.

One day, when Guillermina and Candelario were playing, a very strong wind dragged them out to the open sea, taking them to the "Island of Snakes." Listen as they tell their grandfather about their adventures.

Guillermina and Candelario enjoy an action-packed day at the amusement park with their grandpa.

Guillermina and Candelario tell their grandpa about an exciting adventure that they had one day on the beach including a television and a mischievous stingray.