John Noble as Unicron (voice)
Episodes 4
One Shall Fall
September 24, 2011
• 21m
1x23
The Decepticons quickly try to build a space bridge before a prophesied darkness arrives.
Read MoreOne Shall Rise (1)
October 1, 2011
• 21m
1x24
Earth has an outbreak of natural disasters, caused by Dark Energon.
Read MoreOne Shall Rise (2)
October 8, 2011
• 21m
1x25
The Autobots acquire a surprising ally in their battle to save Earth.
Read MoreOne Shall Rise (3)
Season Finale
October 15, 2011
• 21m
1x26
The Autobots go to the Earth's core to fight for the planet; and Jack uncovers info about Optimus' background.
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