Doraemon Wiki

Evolution-Degeneration Beam (進化退化ビーム) is Doraemon's gadget.


This gadget is used to evolve or devolve/degenerate anything whether living or inanimate objects.


In Anime & Manga[]

  • Doraemon evolved Nobita's radio.
  • Doraemon evolved Nobita's radio second time.
  • Doraemon devolved Nobita's radio.
  • Nobita evolved his pencil into an automatic pencil.
  • Nobita evolved his bedroom lamp.
  • Nobita evolved the door into an automatic door.
  • Doraemon (inadvertently, the real purpose is to see the man from the future) devolved his Father into a prehistoric man.
  • Doraemon devolved a bird into a dinosaur. (in anime)
  • Nobita devolved a trapped mouse.
  • Nobita devolved a cat. (in anime)
  • Nobita devolved a mouse trap.
  • Nobita evolved his Father into a future man.

In Movies[]

2001 movie[]

  • Doraemon wants to devolved Phoenixia but the gadget inadvertently set to evolution mode.
  • All humanoid birds are created with this gadget.

2004 movie[]

  • Nobita evolved Ichi into a humanoid dog.
  • All of the Wannyan people can walk upright because of this gadget.




  • In anime the color is teal but in the movie the color is red.