In the second-season opener, Kaz and Amy vanish when some LBX go berserk at the Achilles Fiend release party.
A mysterious ally joins Van and takes Van to the source of the Directors' control signal, where an attack occurs.
The C.I.O. get back together to battle the Directors. Meanwhile, Hiro and Van learn a crucial LBX secret; and one team member is under attack by foes who look familiar.
The gang board a jet to a place housing powerful computers, but their journey is detoured by a rogue group of LBX.
The Masked Man's plan is exposed, so Van, Hiro and Jessica attempt to halt him, but it's not easy with the Directors on their tail as time ticks away.
A rescue mission on the duck shuttle gets underway when a bizarre threat traps Laura. Meanwhile, a legend with powerful reinforcements resurfaces; and chaos breaks out overseas.
Perfect ZX3 is attacked by Pandora. Meanwhile, Master Otaku works with Amy; and the gang learn the extent of the Directors' plot.
The gang storm the I.L.B.X.F. building in the daytime, but they still need to defeat Kurt Bryant and his LBX. Meanwhile, Cobra learns something surprising about the impending Artemis competition.
Van faces 80 teams in the Artemis tournament on Aloha Island, and a new fan favorite arises.
Sabotage strikes the stadium's network. Meanwhile, the Alexander sisters tackle B block; and Hanz and Dak battle the enemy in C block.
An underwater battle occurs between Odysseus and Elysian. Meanwhile, the on-stage tournament gets intense; and Van and Hiro have very little time to ruin Jackal's router.
A surge of opponents fight to the finish at the Artemis Battle Royale. Meanwhile, a contemplative figure unveils his masterpiece at the I.L.B.X.F.