Sym- Bionic 10

Sym- Bionic 10 is the thirty-eighth episode of Ben 10: Ultimate Alien. And a crossover with Sym-Bionic Titan.

Air Date
May 13, 2011

Plot
When Starro gains control over the Sym-Bionic Titan, Ben turns into Way Big to fight him off.

Characters

 * Ben Tennyson
 * Gwen Tennyson
 * Kevin Levin
 * Elena Validus
 * Julie Yamamoto
 * Kai Green
 * Alan Albright
 * Cooper Daniels
 * Helen Wheels
 * Manny Armstrong
 * Pierce
 * Ilana & Lance Lunis
 * Octus
 * Sym-Bionic Titan

Villains

 * Starro

Aliens used

 * Way Big