Pleo Dinosaur: The Robot That Felt Alive
In the autumn of 2007 a small green dinosaur wobbled into living rooms around the world and quietly changed what people expected a toy to be. Pleo was not a remote-controlled gadget or a chatterbox novelty — he was marketed as an artificial life form: a baby dinosaur that woke, stretched, explored, grew hungry, dozed off, and slowly developed a temperament shaped by how he was raised.
This site is an independent, unofficial heritage archive devoted to that little robot. It grew out of the original Pleo Dinosaur! enthusiast portal that tracked Pleo's arrival post by post, and it continues that mission today as a reference for owners, collectors, and anyone curious about one of the most beloved experiments in early consumer robotics. We are not affiliated with the makers of Pleo — both companies that built him are long gone — and we sell nothing. We simply keep the story, the specifications, and the community memory in one place.
The Little Dinosaur That Captured the Robot World
Pleo was modeled on a one-week-old Camarasaurus, a long-necked plant-eater, and rendered at roughly the size and weight of a small newborn puppy. Beneath his soft, sculpted skin sat more than a dozen motors, a dense array of sensors, and a piece of software his makers called the Life OS — the "brain" that let him behave less like a machine running a script and more like an animal reacting to the moment. Pet him and he leaned in; ignore him and he wandered off to explore. Put two Pleos together and they noticed each other.
That illusion of inner life is why people fell for Pleo so hard, and why he is remembered today far out of proportion to the number ever sold. He didn't just do tricks — he seemed to have a day: moods, curiosity, tiredness, affection. For a fuller technical picture, see the encyclopedia entry on Pleo.
What You'll Find in This Archive
We've organized everything a curious reader or a new collector might want to know into a set of in-depth reference pages:
- What Is Pleo? — the concept, the life stages, and the design philosophy behind the "artificial life form."
- Pleo Specifications — the motors, sensors, Life OS, and the Pawn scripting language under the skin.
- Caring for Pleo — battery, skin and paint, the famous training leaf, and keeping one running today.
- The Pleo Timeline — from the inventor of the Furby to a treasured collector's piece.
- The Makers — the two companies that built and rebuilt Pleo, and why both are now gone.
- Pleo in the Media — the TV appearances, press, and robot-fan gatherings.
- Collecting Pleo Today — what to look for and how to preserve one.
- Pleo FAQ — quick answers to the questions everyone asks.
From the 2007 Archive
We've also preserved a handful of the original launch-era news posts, kept at their original web addresses so the many links that pointed here for years still land somewhere real:
- Pleo — Then and Now — the leap from prototype to finished dino.
- "Pleo Will Be in Homes by the Holidays" — the production announcement.
- Baby Pleo's First Steps at SAAG 2007 — his public debut.
- The Nose Camera and Herd Behavior — two of his most-asked-about features.
- Inside the Ugobe Labs — a behind-the-scenes webisode.
A Note on Who We Are
Because there is no longer any company operating the Pleo brand, information about him has scattered across dead links, defunct forums, and fading memories. An independent archive is the natural home for that knowledge. Everything here is drawn from the public record of Pleo's launch era and the recollections of the owner community. We keep it deliberately non-commercial: no sales, no affiliation claims, no impersonation of his makers — just preservation.
Why Pleo Still Matters
Long before smart speakers and social robots became household words, Pleo asked a bold question: could a mass-market toy make you feel something for a machine? The answer, for a great many owners, was an emphatic yes. Pleo remains a touchstone in the history of affective and companion robotics — a green, blinking reminder that the goal was never just intelligence, but warmth. Wherever you are in your own Pleo story, from idle curiosity to reviving a dinosaur you've owned for years, we're glad you're here to remember him with us.