Board Thread:Series Discussion/@comment-2138661-20140131170723/@comment-24974190-20140405165801

One of my ideas: Blast from the Past where Young Ben apears and teams up with his present self to take down Eon.

Aliens:

Teen:

Eatle

Crashhopper

Jetray

Armodrillo

Clockwork

Young:

Ditto (selected alien was Four Arms)

Upgrade

Heatblast

Four Arms

Also, check my new series Ben 10: Unbound.