Dave finds another monolith orbiting Jupiter and is transported on an interstellar Journey.
Dave manages to get back on the ship to shut down Hal, and discovers a message after doing so.
Hal cuts the life support of the Discovery's crew and refuses to let Dave back into the ship.
Hal watches as Dave and Frank discuss how they'll act if it is true that Hal made a mistake.
Hal asks Dave whether or not he sees the mission as strange or suspiscious, and admits to evaluating his psychology.
The Discovery One, a manned spaceship headed for Jupiter, has its crew—including a sentient computer—interviewed for national television.
Another monolith is discovered buried on the moon's surface.
Mankind makes the leap from bone clubs to space travel.
A mysterious object inspires an early hominid to use the first tool.
The sun rises over the earth and the moon.