Planet Earth

Planet Earth is widely regarded as a defining achievement of the nature documentary — the series that reset the genre's benchmark. Shot over five years and the first BBC natural history production filmed in high definition, it pairs unprecedented aerial cinematography with patient, long-term observation, and reviewers consistently describe the result as both epic and startlingly intimate: vast landscapes and migrations rendered on a scale television had rarely attempted, alongside small, quietly observed moments of animal behavior. The photography is the headline act, but critics also single out the grandeur of the orchestral score and narration that blends wonder with dry authority.

The criticisms are fewer and largely matters of emphasis. Some reviewers felt the spectacle-first approach, gorgeous as it is, soft-pedals the environmental threats facing the habitats it celebrates — a gap the producers themselves partly acknowledged with a companion conservation series. Others found the one-habitat-per-episode format familiar for viewers who had seen earlier landmark wildlife programs, and a minority complained that pacing can drag or that the writing is thinner than the images deserve. Viewers of the original US broadcast heard a different narrator than the UK version, and that substitution was widely judged the weaker of the two.

Where critics genuinely split, it's over the balance between wonder and substance rather than over whether the series delivers. There is little real disagreement that the filmmaking is a landmark; the recurring question is whether a work this beautiful is sufficient on its own or should push harder on what its own images imply about conservation. Nearly everyone agrees it rewrote what a nature documentary could look like, and its influence on every major wildlife series that followed is routinely acknowledged.