(AU starting in the original series) onyx tennyson was a 10 year old boy who was never really close with his family in an attempt to bond with him more his older cousin Gwen and his big sister azlin take him on a road trip for the summer. What they didn't expect was for onyx to find a watch that let him turn into different aliens. Now onyx has to deal with all the people that are after the omnitrix.
9 parts