Doctor Who: The Underwater Menace

The Second Doctor, Jamie, and Victoria travel to the legendary city of Atlantis, only to find it submerged and ruled by the tyrannical Zaroff. They become embroiled in Zaroff's plot to flood the Earth and must find a way to stop him before humanity is wiped out. Along the way, they encounter the enigmatic Fish People and an ancient, powerful artifact.

The Underwater Menace is generally regarded as a weaker serial from Patrick Troughton's era, often criticized for its somewhat convoluted plot and dated special effects, even for its time. However, it's also appreciated for its ambitious concept and the introduction of memorable characters like Zaroff and the Fish People, with Patrick Troughton's performance often cited as a saving grace.

• Ambitious but ultimately flawed storyline.

• Dated special effects are a common criticism.

• Patrick Troughton's performance is a highlight.

Google audience: Audience reviews are scarce for this classic Doctor Who serial, but common sentiments point to its intriguing premise of Atlantis and the compelling villain Zaroff, despite acknowledging its production limitations and plot weaknesses.

Despite being considered a lost story, fragments of the original film prints exist, and a reconstruction using surviving film clips, stills, and audio recordings was officially released, allowing fans to experience the story.