Ben 10
Season 1, Episode 12: Side Effects
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Ben's summer cold causes strange physical changes in his alien personas.
All Episodes - Season 1
Episode 1
And Then There Were 10
Episode 2
Washington B.C.
Episode 3
The Krakken
Episode 4
Permanent Retirement
Episode 5
Hunted
Episode 6
Tourist Trap
Episode 7
Kevin 11
Episode 8
The Alliance
Episode 9
Last Laugh
Episode 10
Lucky Girl
Episode 11
A Small Problem
Episode 12
Side Effects
Episode 13
Secrets