Fireman Sam and Elvis save the marooned school bus, but Trevor is missing! \r<br>\r<br>For more adventures with Fireman Sam, subscribe to the official Fireman Sam US YouTube Channel.\r<br>\r<br>\r<br>Shop for fun toys and watch full episodes of Fireman Sam here: \r<br>\r<br>For games and activities with Fireman Sam and the Pontypandy crew, visit
