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

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

Layout
The main enemies on the course are Mechakoopas, but there are also many cannons, whose cannonballs must 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 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 Koopa Clown Car instead. He attacks Mario with fireballs and spiked bombs, which can be used to defeat him by Ground Pounding the ground.

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 fly up to it using a Propeller Suit or jump up to it using the cannonballs.
 * Star Coin 2 (pictured): Just after the midway point are two platforms with two Mechakoopas and the second Star Coin trapped inside. Mario and co. must jump at the right time to get it 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.