Roy is excited to play doctor with the new toy set Becky has given him. He lures Becky and Tristan to get health checks in exchange for biscuits, with Bill standing in as nurse. After Roy tests their flexibility, he moves on to check everyone's heartbeats, including his own. He's shocked! His heart is far louder and wilder than anyone else's. Roy is worried and does everything he can think of to calm it down, but nothing works. Will Doctor Roy learn to calm down, or will he accept that everyone's heart beats to a different drum? Show less