Ep 5. Episode 5

Arthur Dent and Ford Prefect continue their journey through space on the spaceship Heart of Gold, accompanied by the two-headed ex-president of the galaxy, Zaphod Beeblebrox, his human girlfriend Trillian, and Marvin the Paranoid Android. In episode 5, the group lands on the planet Brontitall, which is notable for its very tall and thin buildings and the fact that its inhabitants have a deeply ingrained sense of propriety.

Upon arrival, the group meets the Brontitallians, who are somewhat shocked by their guests' casual and informal behavior. They are particularly upset to discover that Zaphod is wearing a bathrobe and slippers, as this is considered highly inappropriate clothing for guests. The group is introduced to the planet's ruler, who tells them the story of the Great Collapsing Hrung Disaster of Gal./Sid./Year 03758, which led to the planet's current state of cultural conservatism.

Meanwhile, Arthur and Ford set off to explore the planet, hoping to find a Nutri-Matic machine to satisfy their hunger. They soon stumble upon a group of philosophers who are engaged in a heated debate about the existence of God. Arthur is initially excited to participate in the discussion, but quickly becomes frustrated as the philosophers seem unable to agree on anything.

Back at the Heart of Gold, Trillian is approached by a group of robots who claim to have been created by her old Cambridge professor. The robots are hoping to locate their creator, as they believe he holds the key to their purpose in life. Trillian, feeling a sense of responsibility towards them, agrees to help.

As the episode progresses, the stakes are raised as it becomes clear that the group's actions have upset the delicate balance of Brontitallian society. The ruler decides to take drastic action to restore order, leading to a tense and dramatic conclusion.

Overall, Episode 5 of The Hitchhiker's Guide to the Galaxy is a witty and thought-provoking exploration of cultural norms and philosophical debates, with plenty of the series' trademark humor and absurdity thrown in for good measure.