Superman accidentally opens a portal to a phantom dimension, unleashing a teenager with powers that match his own who eventually traps the other Legionnaires there.
| Name | Type | Role | |
|---|---|---|---|
| Rob Hoegee | Writer | ||
| Richard McGonagle | Guest Star | ||
| Greg Ellis | Guest Star | ||
| Dan Castellaneta | Guest Star | ||
| Jennifer Hale | Guest Star | ||
| Tim Maltby | Director |