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.

Upon returning home, Lola and Ana encounter a strong perfume smell as well as hundreds of new messages for Sam and Pablo on the computer. Suspicious of the two's behavior, they hatch a plan.

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

Pablo is excited about picking up girls on the internet with Sam.

After reading two disturbing messages from potential dates on the internet, Ana hopes the third time's the charm.

As Ana attempts to meet men on the internet, Lola gets jealous upon finding Sam doing exercise with "another woman" and decides to train him herself.

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.

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?