Ep 19. Blank

Clark starts to worry about his memory problems after a strange airplane crashes near Smallville. Meanwhile, a traumatized young girl, named Cassandra Carver (Emmanuelle Vaugier), wakes up in a hospital with no memory of her past or how she got there. Clark begins to bond with Cassandra, as he tries to help her regain her memory. However, as they spend time together, they begin to uncover some shocking truths about Cassandra's past.

Meanwhile, Lois Lane and Chloe Sullivan team up to investigate the mysterious airplane crash that occurred near Smallville. Their investigation leads them to a conspiracy involving military aircraft and experimental technology. As they get closer to the truth, they discover that the government has been working on a secret experiment involving human subjects with abilities.

As the episode progresses, Clark's memory problems begin to worsen, and it becomes apparent that he may be suffering from the same condition as Cassandra. He must rely on his friends to help him uncover the truth behind the experiments and remember his past.

As the conspiracy deepens, the stakes are raised, and the characters are put in danger as they navigate their way through a web of lies and deceit. The episode builds up to a thrilling conclusion as the mystery is unraveled, and the truth is finally revealed.

Throughout the episode, the themes of memory, trust, and betrayal are explored, as the characters struggle to come to terms with the truth about themselves and the people around them. The episode also features some powerful emotional moments as Cassandra learns about her past and Clark confronts his memory loss.

Overall, "Blank" is a gripping and suspenseful episode that takes the series in a new direction. It explores deeper themes and raises the stakes for the characters, while still retaining the heart and charm that fans have come to love.