|This article belongs to the Reboot Continuity|
Double Hex is the seventy first episode of Ben 10.
While bird watching at Pinnacles National Park, Gwen and Ben get into a competition of who can spot more birds first, but once a forest fire interrupts their fun, Team Tennyson must hurry if they are to save the bird population.
- XLR8 (intended alien was Upgrade)
- Stinkfly (offscreen)
- Omni-Enhanced Stinkfly (offscreen transformation)
- Upgrade has been mentioned in not being in the Omnitrix.
- This episode aired as the 23rd episode of Season 2 and the 63rd episode overall in the U.S.