| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Puget Island: this river | the Columbia | $1,200 | DJ | ISLANDS IN THE "C" | 2019-11-19 | #8097 | |
| East Sand Island in this river near Chinook, Wash. is home to a vast nesting colony of Caspian terns | the Columbia | $400 | J | U.S. ISLANDS | 2017-01-25 | #7453 | |
| Bateman Island, about 300 miles from the Pacific, was the farthest Lewis & Clark traveled upstream on this river | the Columbia | $1,000 | J | ISLANDS IN THE STREAM | 2010-02-15 | #5856 |