World 8-Airship (New Super Mario Bros. Wii)

 is the final Airship level in New Super Mario Bros. Wii, the ninth level of World 8 and the penultimate stage of the game. Here, Bowser Jr. is fought once again, this time with Bowser's Koopa Clown Car. is unlocked by clearing either or. Clearing unlocks the final stage of the game,.

Layout
The main enemies on the course are Mechakoopas, but there is also a plethora of Cannons, whose Cannonballs mist be avoided. After that, there is a Warp Pipe along with three Cannons rotating on a cog. Throughout the level, the player must spin screws in order to progress.

In the end, there is is the last battle against Bowser Jr., whose defeat provides access to, the site of the final showdown against Bowser. During the fight, Bowser Jr. prepares to fight with his broken Junior Clown Car, but uses Bowser's instead. He attacks Mario with fireballs and spiked bombs, which can be used to defeat him.

Star Coins

 * Star Coin 1: The first Star Coin is floating high up in the air in the area with several Cannons. To obtain it, Mario and co. can either use a Propeller Suit to fly up to it or the Cannonballs to jump up to it.
 * Star Coin 2 (pictured): Just after the Checkpoint Flag are two platforms with two Mechakoopas and the second Star Coin trapped inside. Mario and co. must jump at the right time to get the Star Coin without touching a Mechakoopa.
 * Star Coin 3: A Propeller Suit is required for this one. Soon after the second Star Coin, there is a lone Screw. Mario and co. must spin on it to make the third Star Coin emerge from under the nearby platform, jump to it, and activate the Propeller Suit to fly to safety before falling.

Enemies

 * Mechakoopas
 * Cannons
 * Cannonballs
 * Giant Cannonballs
 * Boss: Bowser Jr.