You can finally check “see a late-night bit that involves an aroused dog†off your bucket list, as Wednesday night’s episode of Conan gave us exactly that. Both Andy Richter and Conan O’Brien presented their theories on why Wednesday is called “hump day.†One involves a fanciful tale of maritime exploits that dares to ask the question: Why isn’t Tuesday called “sperm day� The other starts with the idea of an all-dog supreme court and ends with a dog vigorously humping Conan’s leg. To think we were ever worried about how they’d carry on without a band.