| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Used in testing, this is a chemically inert material disguised as an active drug | a placebo DD | $500 | J | PSYCH 101 | 1992-03-09 | #1741 | |
| An inactive drug given in place of a real one; it might work on the power of suggestion | a placebo | $500 | J | PSYCH 101 | 1990-09-03 | #1376 |