It's been a year since Mike Mike and Oscar returned from their incredible adventure. Now, after the Vultures sabotage their evil plan to deliver the Grizzly cub to their opponent in the US presidential election, Mike Mike, Oscar, Panda Boy and the Stork set out on another great adventure to return the Grizzly cub to its "rightful parents" aboard a zeppelin to save the US election and the entire continent from a volcanic eruption.