An undisclosed connection between the Omnitrix and the planet Primus teleports Ben and team to the hidden planet when it comes under threat.

Despite being warned by Paradox, Gwen travels back in time to prevent the accident that turned Kevin into a monster from ever happening. Gwen returns to the present only to find that her time traveling caused a series of events that led to Hex ruling the world.

A celestial alignment and the true function of a power shard leads Tetrax to throttle ChromaStone right out of Ben Tennyson for a time-sensitive assignment.