Beyond its signature time-travel escapades, sonic screwdrivers, and regenerations, Doctor Who is legendary for its vast collection of unforgettable monsters. As a new season arrives, we're revisiting the Doctor's rogues' gallery to spotlight the most ruthless creatures our beloved Time Lord has ever faced.
A few quick notes before we start: We've excluded villains that don't fit the traditional "monster" mold, so you won't find the Master here. Also, while some of these beings originated in the classic series, every entry has appeared in at least one televised story since the 2005 revival. We believe the modern-era monsters are generally more impactful (and they're more our specialty anyway). With that covered, let's dive in. Here are our picks for the top 20 monsters in Doctor Who.


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