The New Avengers

Steed captures his nemesis, the Unicorn, but the enemy is inadvertently killed by Steed’s own side, forcing him to avert a gang war. He works tirelessly to prevent the conflict from breaking out across the city. The episode stars Patrick Macnee.

"The Lions and the Unicorn" is a television programme presented as an individual episode within its series. Classified under the episode genre, it delivers a brief, self‑contained narrative that fits into the larger framework of the show while focusing on a distinct storyline. In this particular instalment, the central figure Steed manages to apprehend his long‑time nemesis, the Unicorn. The capture, however, takes a tragic turn when members of Steed's own team unintentionally cause the Unicorn's death. Confronted with the fallout, Steed is compelled to act quickly to stop the incident from spiralling into a full‑scale gang war. The episode features Patrick Macnee in the starring role, bringing his familiar presence to the character of Steed. Macnee's performance anchors the storyline, guiding the audience through the tension that arises from the accidental killing and the looming threat of broader violence, and underscoring the precarious situation Steed must navigate. Ultimately, the narrative centres on Steed's urgent effort to defuse the potential gang war that threatens to erupt from the mishap. The storyline highlights the delicate balance between law‑enforcement actions and unintended consequences, illustrating how a single accidental death can set off a chain reaction that jeopardises broader peace within the episode's compact runtime.