The five most popular story-related questions about Murderbot Season 1, excluding the overall plot and ending, are:

1. How does Murderbot's hacked programming and free will affect its interactions with the human characters and its role in the expedition?
2. What is the significance of the mysterious gaps in the survey maps on the planet, and how do they drive the story's conflict?
3. How is Murderbot's personality and inner reflection conveyed to the audience through the show's narrative techniques, such as voice-over?
4. What role do the space soap operas that Murderbot watches play in the story and character development?
5. How do the relationships between Murderbot and the scientific expedition team evolve throughout the season, especially regarding trust and cooperation?

These questions focus on the character dynamics, narrative style, and key mysteries within the story, reflecting viewers' interest in understanding Murderbot's unique nature and the unfolding events on the planet.