Susan Ivanova discovers a derelict spaceship in hyperspace. They tow it back to Babylon 5, then strange things start happening. People are being telepathically taken over by aliens from another (third)space.
| Costume & Make-Up | Ann Bruice | Costume Design |
| Directing | Jesús Salvador Treviño | Director |
| Production | Mark Paladini | Casting |
| Production | Fern Champion | Casting |
| Production | Mary Jo Slater | Casting |
| Sound | Christopher Franke | Original Music Composer |
| Writing | J. Michael Straczynski | Screenplay |
| Editing | David W. Foster | Editor |
| Production | John Copeland | Producer |
| Production | J. Michael Straczynski | Executive Producer |
| Production | Douglas Netter | Executive Producer |
| Camera | John C. Flinn III | Director of Photography |
| Art | John Iacovelli | Production Design |
| Costume & Make-Up | Kim M. Holly | Costume Supervisor |
| Art | Mark Walters | Art Direction |
| Art | Jason Howard | Set Decoration |
| Sound | Jeffrey R. Whitcher | Sound Effects Editor |
| Directing | Carol Henry | Script Coordinator |
| Sound | Elisabeth Flaum | Sound Effects Editor |
| Sound | Harry Cohen | Sound Designer |
| Sound | Liz Sroka | Sound Re-Recording Mixer |
| Sound | Zeke Salas | Sound Re-Recording Mixer |
| Crew | Kerry Rossall | Stunt Coordinator |
| Crew | Matthew W. Plummer | Scenic Artist |
| Camera | Peter B. Kowalski | Camera Operator |
| Sound | Larry Benjamin | Sound Re-Recording Mixer |
| Directing | Kenneth Gilbert | Script Supervisor |
| Sound | Ann Scibelli | Sound Effects Editor |
| Art | Curtis Laseter | Construction Coordinator |
| Crew | Ken Busick | Compositor |
| Directing | Ronald Chong | First Assistant Director |
| Crew | Phillip Giles | Compositor |
| Camera | Robert Blair | Key Grip |
| Visual Effects | Emily Amadhia Albee | CG Animator |
| Visual Effects | Patrick Perez | Senior Animator |
| Art | Alan Kobayashi | Graphic Designer |
| Crew | Kim Anderson | Compositor |
| Visual Effects | Tim Everitt | CG Animator |
| Camera | Carlos M. Torres | Best Boy Grip |
| Costume & Make-Up | Cinzia Zanetti | Key Makeup Artist |
| Visual Effects | Harry Hendrickson | CG Animator |
| Visual Effects | Dayton Osmond | Special Effects Supervisor |
| Visual Effects | Shant Jordan | Senior Animator |
| Editing | John Burrus | Assistant Editor |
| Costume & Make-Up | John Vulich | Makeup Designer |
| Visual Effects | Tom Helmers | CG Animator |
| Visual Effects | Josh Prikryl | CG Animator |
| Costume & Make-Up | Kim M. Ferry | Makeup & Hair |
| Production | Skip Beaudine | Unit Production Manager |
| Camera | Charles Lantz | Dolly Grip |
| Editing | Kathie Burr | First Assistant Editor |
| Camera | Wally Sweeterman | First Assistant Camera |
| Visual Effects | Rich Jeffreys III | CG Animator |
| Visual Effects | Jeff Montray | CG Animator |
| Costume & Make-Up | Barbara Wilder | Key Hair Stylist |
| Visual Effects | Don Neudecker | CG Animator |
| Production | Heidi Erl | Production Coordinator |
| Production | Susan Corbin | Associate Producer |
| Costume & Make-Up | Manny Case | Special Effects Makeup Artist |
| Costume & Make-Up | Gabriel De Cunto | Special Effects Makeup Artist |
| Costume & Make-Up | Jeffrey S. Farley | Makeup Supervisor |
| Costume & Make-Up | Mark Garbarino | Makeup Supervisor |
| Costume & Make-Up | Jerry Gergely | Special Effects Makeup Artist |
| Costume & Make-Up | John Vulich | Makeup Effects Designer |
| Directing | Alisa Matlovsky | Second Second Assistant Director |
| Directing | David McWhirter | Second Assistant Director |
| Sound | Michael Payne | Sound Supervisor |
| Camera | Chris Nagle | Best Boy Grip |
| Costume & Make-Up | Linda Huse | Key Costumer |
| Production | Pam Oseransky | Post Production Coordinator |
| Art | Timothy M. Earls | Conceptual Design |
| Production | Mike Hoover | Production Accountant |
| Art | Luc Mayrand | Conceptual Design |
| Art | Dark Hoffman | Property Master |
