The 23-year-old singer shared his trouble on Twitter, reported Femalefirst.
"Definitely broke the door handle off of the back lounge of the bus and now trapped in. I have the Simpsons but I also need to pee (sic)" his tweet read.
Shortly before the incident he had told his fans that he was making his way through the series - consisting of over 550 episodes.
"Started watching every simpson episode from the beginning. The first season has some dark themes looking back at it, but still awesome (sic)," he tweeted.