Hologram

Marshall is testing a rocket but when he launches it, it fails to come down. Instead, a large silver sphere falls from the sky. When the gang go to investigate, the sphere dissolves, leaving behind a strange device. They take it to Z, who also has no idea what it was. When Josie touches it a panel opens up, and a timer begins to count down. Now the science club has 26 minutes to figure out what it does, and what the connection is to Vaughn...