There were still a lot of stories to tell during that time period”.
Duncan Rouleau, a member of the Man of Action group that created Ben 10, said in an interview with Collider that they “had a lingering feeling that we had moved away from his 10-year-old-ness too soon. However, the reboot is when things start to get a bit messy, mostly because it has elements and characters from all the previous Ben 10 shows while also restarting the story. The timeline for the first four Ben 10 shows is pretty straightforward they follow the aforementioned order.