|This article belongs to the Reboot Continuity|
The 11th Alien: Part 1 is the forty-ninth episode of Ben 10.
The episode starts with the Tennysons at a desert area.there a mudslide occurs and Ben choses Heatblast but instead the Omnitrix choses Omni-Enhanced Four arms instead. OE Four arms stops the mudslide with a shockwave and saves everyone from a falling building. Max then talkes about the recent upgrades to his aliens as unpredictable and unsure if Ben could handle it. Ben says that he can handle it and says it's not him but he was interrupted when Vilgax appeared. Vilgax explains about the dangers of the Omnitrix and Ben ignores him. The punch on the ground causes an extreame force .Ben eventually times out. Vilgax says he came to protect him from the Omnitrix and explains about the powerful blue energy being to much for the earth to handle. He explains that ben is the threat. Ben ignores him again and transforms into OE Heatblast. Vilgax dodges the attack and snow begins to appear freazing everyone. Vilgax tells ben that he has already done enough damage and Ben times out again and Vilgax unfroze everyone. Vilgax tells Ben to hand over the Omnitrix and Ben doesn't believe him. Gwen then tells him about the new stuff the Omnitrix was doing and then a new alien shows up. Vilgax tells him not to activate the alien but Ben transforms onto him anyway. Shock Rock apearred to be made entirly out of that energy that was making the Omni-Enhancements. This lead into a battle with Vilgax. Vilgax continues to explain the dangers of Shock Rock. After the fight, Vilgax leaves telling Ben that he fears for himself and everyone else.
- Ben uses Shock Rock for the first time.
Omnitrix Alien Debuts
- Four Arms (intended alien was Heatblast; cameo)
- Heatblast (offscreen)
- Shock Rock (x2; first appearance)
- This episode aired as the 11th episode of Season 2 and the 51st episode overall in U.S.
- When Ben pictures himself as being elderly, he is voiced by Yuri Lowenthal. This is a nod to teenage Ben being voiced by Yuri in the original continuity.
- Gax is technically Ben's 11th alien, with Shock Rock being the 12th alien unlocked.