Watch Star Trek VII: Generations

During the maiden voyage of the U.S.S. Enterprise-B, Captain Kirk joins the new crew of his former starship as they encounter an energy ribbon in space. When the ribbon hits the Enterprise, Kirk is believed to have been lost but is instead stuck in a Nexus. Seventy years later the crew of the U.S.S. Enterprise-D under the command of Captain Jean-Luc Picard encounters the same energy ribbon that is threatening to destroy an entire planet. When Picard enters the Nexus he finds Kirk. The two legendary captains then team up to try and save the planet from total annihilation.