When Trevor is transferred to a fantastic new Sidekick school, the entire student body follows him, except for Eric who is stuck as the sole remaining student. / Opossum man, a new super hero, along with Glenn, wows all of Splittsboro but it's his new Sidekick that gets Eric's attention.

Maxum Brain entrusts Eric with a secret mission to destroy the most dangerous material in the universe and XOX is hot on his tail. / Eric break his glasses and he need to be cleared. But the only trouble is the contacts are really owned and turn out to be evil!

Eric and Mandy has started camping at the volcano. But when Trevor is missing inside the erupting volcano, he might decide to find The Land of Rock People. Now it's up to Eric, Vana, Kitty and Mandy to save him before it blows up! / Mr. Troublemeyer and XOX team up to destroy Eric Needle once and for all with a new bio-weapon: the dreaded Chicken XOX virus.