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Ben 10 S2E9 — The 11th Alien (1)
4.8
Ben 10•Season 2•Episode 9

The 11th Alien (1)

4.8/10 · 69 votesDec 11, 201711 min

Ranked #31 of 40 in Season 2•−0.5 vs season avg

Discussion

Ben is trying to save a city from a mudslide when Vilgax shows up with a warning about a new alien coming out of Omnitrix.

Seasons4

Season 2 Episodes40

Cast8

Tara Strong

Tara Strong

Ben Tennyson

Montse Hernandez

Montse Hernandez

Gwen Tennyson

David Kaye

David Kaye

Max Tennyson

Roger Craig Smith

Roger Craig Smith

Diamondhead

Josh Keaton

Josh Keaton

XLR8

John DiMaggio

John DiMaggio

Four Arms

Daryl Sabara

Daryl Sabara

Heatblast

Travis Willingham

Travis Willingham

Cannonbolt

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Episode Summary

"The 11th Alien (1)" is episode 9 of Ben 10 season 2. It scored 4.8/10 from 69 votes, ranking #31 of 40 episodes this season (season average 5.3). It aired on December 11, 2017.