Episode #3.2 - S3-E2
Character mistake: When Camille and Humphrey browse the writers' message board, the post done by Arnold Finch under the pen name of "Grumpywriter" contains a variety of spelling mistakes unbecoming of a writer (but that often happen in this show's prop department) such as "unnecasary" "tallentless imbecel." Earlier (hard to catch it without slo-mo in this case) in his mail we see him ask about puffer fish poison and "it's toxicity" and sign the mail with "Sincerly." The subject of another mail in the inbox is "Updated Shedule." (00:22:30)
Answer: Most likely they had only tropical exotic drinks, he wanted an old fashioned English beer.