The "Thunder Dome" is a fictional arena featured in the movie "Mad Max Beyond Thunderdome," released in 1985. It is a large, enclosed space where combatants engage in battles for entertainment and survival. The arena is characterized by its chaotic environment and the presence of a crowd that cheers for the fighters. In the Thunder Dome, the rules are simple: "Two men enter, one man leaves." This phrase emphasizes the brutal nature of the fights, which often involve improvised weapons and intense physical confrontations. The arena serves as a symbol of the lawlessness and struggle for power in the post-apocalyptic world of Mad Max.