| Ben 10: Omnitrix Unlimited | |
| Season 1, Episode 1 | |
| Air date | 28/2/2013 |
| Written by | Ultra3000 UltiVerse |
| Directed by | Ultra3000 UltiVerse |
| Episode Guide | |
| Previous None |
Next Welcome To College, Rook |
An Unexpected Upgrade is the first episode of Ben 10: Omnitrix Unlimited.
Plot
TO BE REWRITTEN...
Noteworthy Events
Major Events
Character Debuts
Omnitrix Alien Debuts
Minor Events
Characters
- Ben Tennyson (first appearance)
- Gwen Tennyson (first appearance)
- Kevin Levin (first appearance)
- Rook Blonko (first appearance)
Villains
Aliens Used
- Ditto (first appearance, accidental transformation, intended alien was Astrodactyl)
- Big Chill (first appearance)
- Cannonbolt (first appearance)
- Goop (first appearance)
- Water Hazard (first appearance)
- XLR8 (first appearance)
Trivia
- Ditto is the first alien used in the series.
- XLR8 is the first alien used with the Omnitrix 1.5.
