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The Andalite disc was a piece of Andalite technology given to the Animorphs in the TV series by Elfangor-Sirinial-Shamtul.


This disc, and presumably others like it, operated on DNA encoding - this particular disc was encoded to recognize the DNA of Tobias, so that it would activate only when touched by him. The Yeerks, and Visser Three in particular, were considerably interested in unlocking the secrets of the device, and they attempted to do so many times throughout the series, to no avail.

The secrets of the Andalite disc were revealed when the Animorphs finally recovered it - it carried a message from Elfangor to Tobias, explaining to him the nature of the disc and the choice it offered him. With the disc Tobias was able to restore his ability to morph. The disc also allowed him to acquire his original human DNA as a morph. Whether the disc has any connection to the Ellimist is never revealed. 

Later in the episode The Front, it reveals a living hologram that reveals toTobias that his real father is Elfangor.  

Whether this disc is the only one of its kind, or if others like it exist, is also never revealed.

The disc was refered to as a Herok Disc in the Series one episode "The Alien".




Andalite technology Dome Ship | Escafil Device | Hirac delest | Mirrorwave call | Z-space transponder | Morphing | Mag-Hover Truck | Quantum Virus | Shredder | Gleet Bio-Filter | Prion Virus
Yeerk Technology Anti-morphing ray | Dracon beam | Gleet Bio-Filter | Kandrona | Kandrona Rays | Nova-class Empire Ship | Pool ship | Blade ship | Mag-Lev Train | Hunter Robot | Yeerk Pool | Bug fighter
Ketran Technology Explorer | Time Matrix | Mapping Crystal Quadrant 3 | Uninet | Adge
Other Dropshaft | Ixcila | Pemalite crystal | Pemalite ship | Skrit Na Saucer | Hawjabran Colony Ship | Hawjabran Freighter