| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| It was first transmitted by the USS Arapahoe off Cape Hatteras on August 11, 1909 | SOS | FJ | COMMUNICATION | 2010-11-22 | #6026 | ||
| A push-button distress signal onboard ships will soon eliminate the need for this type of code | SOS (Morse) | $400 | J | TECHNOLOGY | 1989-06-23 | #1125 |