you get the fuel from the robot in the dungeon it will blowup then a green fuel will jump out you click the owl then the fuel the owl will get it for you . Then go to the spaceship in the mud .That's what I'm stuck on.
Once you have spoken to the Astro Zone manager and built your new ship, there is no reason to go back there. If you leave the island anytime after building a new spaceship, you will find it parked on top of the castle in Arturus.
The saucer Excalibur needs a new fuel rod to replace the broken one. The only place to find one on the island is the imprisoned robot invader. He's held in the dungeon below the castle library. Getting the fuel rod is the ultimate goal of the Arturus stage of the game. (see related question) The only other thing needed are coordinates to enter in the saucer computer.
On the saucer Excalibur, which is stuck in the mud swamp to the right of the Mill, you have to replace the broken green fuel rod. Once you do, you can enter the numbers in the computer by turning the dials (left is X, right is Y). (see the related questions)
Ask a friend that plays poptropica and see if they completed it. Tell them your account so they can help you.
If you got the spaceship on the Pewter Moon, and you are back in Arturus, it should be parked on top of the castle. If you are in space, deliberately crashing the ship will transport you back to the Pewter Moon. (The only other way off the planet Poptropica is the saucer. If it's gone, you are stuck.)
if you mean the little one in the attic you use it to get across the mud. if you mean the one stuck in the mud you go to the dungen to kill the alien to power it
There is no way around, and you must beat every obstacle in order to complete the game. With practice, you should find the necessary timing to get past the airflow in the volcano.
One common glitch in Poptropica's Astro Knights Island involves getting stuck at Mordred's castle door. To bypass this issue, try resetting the quest by leaving the castle and re-entering, or restarting the island entirely. If the glitch persists, consider contacting Poptropica's support team for further assistance.
Presumably he is still stuck in his castle in the far galaxy, and no longer has the Orb or the Golden Key to open the portal again. If you return to the asteroid, it is just a dead end.
If you can, hit the Save feature, leave, and come back. If this fails, reload your browser that is running Poptropica. If that fails, and you can click the Star, go to the store and get the free Haunted House card. Entering and exiting the mini-game will kick you out to the Island Map.*Astro Knights Players : your spaceship is parked on the roof of the castle.
If you have a problem that can't be solved by resetting Poptropica, there are a number of solutions to the island. (see the related questions below) If you are in space and leave the island, your spaceship parks on top of the castle. If you cannot exit the island, you may try buying the Haunted House card from the Store, which lets you leave any island at any time. (there is also a generally correct but unedited solution on the Discussion Page)
There are two in the field by the mill, stuck between two rocks. Push them sideways and then separate them to reveal a locked door. This is Mordred's secret laboratory. But you have to have a key to get in. (see the related question)