Focuses on two subjects in particular: Rob Niosi, who has spent many years building a full-scale replica of the prop from the 1960 film The Time Machine, and physicist Ronald L. Mallett, who has dedicated his life to researching the scientific possibility of time travel.
| Actor | Role |
|---|---|
| RRonald MallettSelf | Self |
| RRobert NiosiSelf | Self |
| BBob BurnsSelf | Self |
| DDon ColemanSelf | Self |