4x40 - Dragon Ball Z: Dragon Box

After declaring that in ten days' time, he will be holding a Tenkaichi-style tournament where he will fight against other martial artists, Cell takes off, leaving Trunks behind. Upon hearing this, Artificial Human No. 16 decides that he wishes to participate in the "Cell Games." He ends up going to the Capsule Corporation, where he asks to have his body repaired. Meanwhile, Cell creates a ring for the tournament in an uninhabited wilderness plain.