Sonic X Volume 6 is the sixth DVD to be released in Australia containing three episodes of the anime series Sonic X. As with the other Sonic X Volumes, the DVD also comes with a trailer of Sonic Mega Collection Plus.
Knuckles is at a shop on a crowded street of Oriental City to look for a treasure hunter named Hawk. Knuckles is brought to the basement and the floor disappears and falls into a hole. Knuckles who comes to an underground basement, meets again with Hawk. They both escape from the underground cot and get on a rickshaw. Hawk then takes Knuckles to the place where the Chaos Emerald is hidden.
Tornado 2, with Tails, Chris and Sonic aboard is in battle with Egg Fort. Although Sonic greatly damages Egg Fort, the debris of the damage hits Tornado 2 and they end up making a crash landing in a savanna of the large Nature Continent. Tails repairs the craft. After the repair is completed, Tails and the others go off on Tornado 2 which has transformed into the two-legged robot Cyclone, to the grassy plains in search of Sonic...
Chris and the others go to an old castle by the lake, in order to watch the filming of Chris' mother, Lindsey. But because of the strange noises that occur during the filming, the shooting is postponed. A camera had unfortunately moved the hour glass which had been used to seal off the ghost that used to live in the old castle. Therefore, many ghostly happenings occur in the castle...
- This is the last Australian Sonic X DVD for its inside cover to feature promotions of Sonic Mega Collection Plus and Sonic Heroes. All inside covers of subsequent DVDs are blank.