| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Einstein's theory of relativity shows that a body can't actually travel at this speed | the speed of light | $100 | J | SCIENCE & NATURE | 1990-09-20 | #1389 | |
| Einstein's famous equation states energy equals mass times this squared | the speed of light | $800 | DJ | SCIENCE & NATURE | 1990-03-22 | #1289 |