Professor Robert Winston ontmoet Lucy, de eerste rechtopstaande aap, en volgt haar voorouders op de drie miljoen jaar durende reis naar de beschaving.
 | Seizoen 1 Aflevering 1 First Ancestors Datum: 2003-03-27 Lengte: 60 min |
| Seizoen 1 Aflevering 2 Blood Brothers Datum: 2003-04-03 Lengte: 60 min |
| Seizoen 1 Aflevering 3 Savage Family Datum: 2003-04-10 Lengte: 60 min |
| Seizoen 1 Aflevering 4 The Survivors Datum: 2003-04-23 Lengte: 60 min |
| Directing | Pierre de Lespinois | Director |
| Writing | Michael Olmert | Writer |
| Directing | Richard Dale | Director |
| Production | Pierre de Lespinois | Executive Producer |
| Production | Bill Latka | Producer |
| Production | Phil Fairclough | Executive Producer |
| Editing | David W. Foster | Editor |
| Visual Effects | Massimo Vico | Special Effects Supervisor |
| Sound | Arthur Koundouris | Sound |
| Sound | Michael Payne | Supervising Sound Editor |
| Costume & Make-Up | Barrie Gower | Prosthetic Makeup Artist |
| Sound | Michael Olman | Sound Re-Recording Mixer |
| Directing | Matthew Scrivener | Second Assistant Director |
| Production | Fran LoCascio | Executive Producer |
| Camera | Bret Harding | Director of Photography |
| Production | Richard Dale | Executive Producer |
| Costume & Make-Up | Susan Howard | Special Effects Makeup Artist |
| Directing | Paul Dale | First Assistant Director |
| Sound | Jovan Ajder | Sound Designer |
| Sound | Kenneth Kobett | Sound Re-Recording Mixer |
| Production | Steve Burns | Executive Producer |
| Production | Tomi Bednar Landis | Executive Producer |
| Art | Mark Walters | Production Design |
| Sound | Tim White | Production Sound Mixer |
| Production | Peter Georgi | Producer |
| Sound | Alan Parker | Music |
| Art | Jenny Bowers | Art Direction |
| Costume & Make-Up | Nik Williams | Prosthetic Makeup Artist |
| Production | Steven Manuel | Executive Producer |
| Art | Tim Goodchild | Production Design |
| Sound | Michael Keinath | Sound Re-Recording Mixer |
| Production | Mark Hedgecoe | Producer |
| Costume & Make-Up | Julian Murray | Prosthetic Makeup Artist |
| Art | Andre Birgisson | Property Master |
