The source provides a comprehensive overview of the most significant science fiction film from each decade, beginning in the 1920s with Metropolis and extending through the 2020s with Dune: Part Two. This analysis asserts that science fiction cinema serves as a crucial storytelling medium, reflecting societal concerns about technology, humanity, and the universe. For each decade, the episode identifies a landmark film and discusses its cultural impact, innovative visual effects, and enduring thematic relevance, examining how works like Frankenstein (1930s) and 2001: A Space Odyssey (1960s) established new artistic and philosophical standards for the genre. Ultimately, the overview emphasizes how these masterpieces pushed boundaries in filmmaking while addressing the technological and political anxieties of their respective eras.