Tener un robot como mascota mola. Que te haga viajar en el tiempo... ES UNA VERDADERA PASADA! Tras descubrir que C-R3BRO, el robot que creó Gala, los puede llevar atrás en el tiempo, Hugo, Gala y el Profesor lo tienen clarísimo: de momento van a mantenerlo en secreto. Esta vez deciden vivir esta nueva aventura en la PREHISTORIA pero... Serán capaces de regresar al presente antes de que se los coma un dinosaurio? ENGLISH DESCRIPTION Having a robot as a pet is super cool! Especially one that helps you travel through time... It really is beyond this world! After discovering that B-R4IN, the robot that Gala created, can take them back in time, Hugo, Gala, and the Professor have a very clear understanding of what they need to do; but for now they must keep it a secret. This time they decided to live their new adventure in prehistoric times, but . . . will they be able to come back before a dinosaur eats them alive?