During the duo’s “Never-Ending Urinal Conversation,” the two talked karaoke and voting, they ate lunch, shaved, did crossword puzzles and so much more, all while each took a long leak.
Eventually, Corden worked on his model airplane and Rudd knitted. Talk about multitasking.
The two actors then hugged out their goodbyes before Rudd settled down on the divider for a nap — while still peeing.
Watch the video above.