Main Timeline (Classic)

“

Ultimate Alien is always taking place "now." Alien Force is always taking place just before Ultimate Alien. Ben 10 Classic was always taking place "now," until Alien Force aired, at which point it took place about 5 years ago. -Dwayne McDuffie's concept of "now"

”

In this timeline, all of the canon Ben 10 episodes take place.

It is the timeline where nearly the entire Ben 10 series take place. Gwen 10, Goodbye and Good Riddance, Ken 10, Ben 10: Race Against Time, Ben 10: Destroy All Aliens and all of the video games released as well as comics didn't happen in this timeline.

231-1900

• 231: Sir George is born.
• Prior to 1131: Destruction of the incursion homeworld takes place.
• 1131: Sir George aquires Ascalon via Azmuth.
• After 1131: Azmuth creates the Unitrix and the Prototype Omnitrix.

20th Century

• Summer 1946: Max Tennyson is born.
• 1950s: Paradox's Machine fails, sending him out of time for 100,000 years.
• 1960s: Max meets Verdona along with the Synthroid.
• 1960s: Max is discharged from the Air Force in order to be an astronaut.
• 1960s: Magister Labrid invites Max to become a Plumber.
• 1960s-1970s: Max becomes a Plumber.
• 1974: Sandra is born.
• Early 1990s: Ken Tennyson is born.
• Mid 90's: Kevin Levin is born.
• Mid 90's: Ben and Gwen Tennyson are born a year later.
• 1996-1998: Devin Levin is murdered by Ragnarok.

21st Century

Mid 2000's

• Prior to Ben 10 starting: Kevin destroys his house due to his insanity, then runs away thinking his stepdad's punishment was to kick him out on the street.
• The events of Ben 10 take place.
• Azmuth begins his work on his real Omnitrix.
• Ben removes the Omnitrix.

2010's

• The events of Ben 10: Alien Force take place.
• The events of Ben 10: Alien Swarm take place
• Prior to Ultimate Alien starting: Aggregor kidnaps five Andromeda Aliens.
• The events of Ben 10: Ultimate Alien take place.

Future (Possible)

These events have taken place past the present series and are still considered possible, but not definate.[1]

• 2022: The Plutonian Wars take place, and Ben may or may not start calling himself Ben 10,000 after the war.
• 2032: Ben goes back in time to meet his younger self.