| Year | Event | |||
| 2361 |
● [1]
A duplicate of Riker is created during a mission to the Nervala IV. [1]
|
| Canon source | Backstage source | Novel source | DITL speculation |
| # | Series | Season | Source | Comment |
| 1 | TNG | 6 | Second Chances | |
| 2 | TNG | 5 | Conundrum | Four years after he enlisted |
| Series : | TNG Season 6 |
| Episode : | Second Chances |
| Series : | TNG Season 5 |
| Episode : | Conundrum |
| Comment : | Four years after he enlisted |
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