Planes/Underground Ernie

Cast

 * Sonic (from Sonic the Hedgehog) as Ernie
 * Amy Rose (from Sonic the Hedgehog) as Millie
 * Sir Topham Hatt (from TTTE) as Mr. Rails
 * Savannah (from Jay Jay the Jet Plane) as Victoria
 * El Chupacabra as Bakerloo
 * Bravo as Hammersmith
 * Echo as City
 * Dusty Crophopper as Jubilee
 * Ishani as Circle
 * Franz Fliegenhosen as Brooklyn
 * Bulldog as Paris
 * Rochelle as Sydney
 * Kingston (from TT) as Osaka
 * Skipper as Moscow