Complex sentence: Crystal, along with the other Inhumans, made their debut in the 1994 Fantastic Four series during second season in the three-part "Inhumans Saga" episode, and after escaping the Negative Barrier, Crystal went on to become the girlfriend of the Human Torch.
Split into simpler sentences: Crystal, along with the other Inhumans, made their debut in the 1994 "Fantastic Four" series during the second season in the three-part "Inhumans Saga" episode. And after escaping the Negative Barrier, Crystal went on to become the girlfriend of the Human Torch.