For some reason, it blows itself up in the dungeon, leaving only its green fuel rod. (see related question)
Terd on the toilate
u just press on it
There is no jail on Astro Knights Island. There is a castle dungeon, where an attacking alien robot is being held after his capture. (see the related question)
This means you have already completed the Arturus part of Astro Knights Island. Your spaceship should be parked on top of the castle if you return to the planet.
On the Pewter Moon, see the manager at AstroZone about replacing your ship.
Although you find the captured robot invader in the dungeon, you cannot get to him from the library. Throw the switch to open the back gate to the cell, and return through Mordred's secret laboratory tunnel. (see the related question)
you get the fuel rod and enter the coordinates then you go to astrozone and ask the alien to use a ship
You get the alien "fuel rod" from the robot invader in the dungeon, and use it to power the saucer Excalibur, so you can go to space. (see related question)
You ask the alien manager of the store then you can make your own rocket. E Z .
The statue will turn into an alien and you will beat the island
( . Y . )
When you get a new fuel rod, just place it in the spot on the saucer and it will lock in. (see related question)