S02E26: Darkest Hour
Due to Megatron's crafty plan, Optimus must make a hard decision which could affect the whole Autobot team.
Previous Episode 
Season 1
Darkness Rising (1)
S1E1 / 26 Nov 2010
Darkness Rising (2)
S1E2 / 26 Nov 2010
Darkness Rising (3)
S1E3 / 01 Dec 2010
Darkness Rising (4)
S1E4 / 02 Dec 2010
Darkness Rising (5)
S1E5 / 03 Dec 2010
Masters & Students
S1E6 / 11 Feb 2011
Scrapheap
S1E7 / 18 Feb 2011
Con Job
S1E8 / 25 Feb 2011
Convoy
S1E9 / 04 Mar 2011
Deus Ex Machina
S1E10 / 11 Mar 2011
Speed Metal
S1E11 / 08 Apr 2011
Predatory
S1E12 / 15 Apr 2011
Sick Mind
S1E13 / 29 Apr 2011
Out of His Head
S1E14 / 07 May 2011
ShadowZone
S1E15 / 14 May 2011
Operation: Breakdown
S1E16 / 18 Jun 2011
Crisscross
S1E17 / 25 Jun 2011
Metal Attraction
S1E18 / 09 Jul 2011
Rock Bottom
S1E19 / 16 Jul 2011
Partners
S1E20 / 23 Jul 2011
T.M.I.
S1E21 / 10 Sep 2011
Stronger, Faster
S1E22 / 17 Sep 2011
One Shall Fall
S1E23 / 24 Sep 2011
One Shall Rise (1)
S1E24 / 01 Oct 2011
One Shall Rise (2)
S1E25 / 08 Oct 2011
One Shall Rise (3)
S1E26 / 15 Oct 2011
Season 2
Orion Pax (1)
S2E1 / 18 Feb 2012
Orion Pax (2)
S2E2 / 25 Feb 2012
Orion Pax (3)
S2E3 / 03 Mar 2012
Operation: Bumblebee (1)
S2E4 / 10 Mar 2012
Operation: Bumblebee (2)
S2E5 / 17 Mar 2012
Loose Cannons
S2E6 / 24 Mar 2012
Crossfire
S2E7 / 31 Mar 2012
Nemesis Prime
S2E8 / 07 Apr 2012
Grill
S2E9 / 14 Apr 2012
Armada
S2E10 / 21 Apr 2012
Flying Mind
S2E11 / 28 Apr 2012
Tunnel Vision
S2E12 / 05 May 2012
Triangulation
S2E13 / 12 May 2012
Triage
S2E14 / 19 May 2012
Toxicity
S2E15 / 26 May 2012
Hurt
S2E16 / 24 Aug 2012
Out of the Past
S2E17 / 31 Aug 2012
New Recruit
S2E18 / 07 Sep 2012
The Human Factor
S2E19 / 14 Sep 2012
Legacy
S2E20 / 21 Sep 2012
Alpha; Omega
S2E21 / 28 Sep 2012
Hard Knocks
S2E22 / 05 Oct 2012
Inside Job
S2E23 / 12 Oct 2012
Patch
S2E24 / 19 Oct 2012
Regeneration
S2E25 / 26 Oct 2012
Darkest Hour
S2E26 / 02 Nov 2012
Season 3
Darkmount, NV
S3E1 / 22 Mar 2013
Scattered
S3E2 / 29 Mar 2013
Prey
S3E3 / 05 Apr 2013
Rebellion
S3E4 / 12 Apr 2013
Project Predacon
S3E5 / 17 May 2013
Chain of Command
S3E6 / 24 May 2013
Plus One
S3E7 / 31 May 2013
Thirst
S3E8 / 07 Jun 2013
Evolution
S3E9 / 28 Jun 2013
Minus One (1)
S3E10 / 05 Jul 2013
Persuasion (2)
S3E11 / 12 Jul 2013
Synthesis (3)
S3E12 / 19 Jul 2013
Deadlock (4)
S3E13 / 26 Jul 2013
Peter Cullen
Optimus Prime (voice)
Jeffrey Combs
Ratchet (voice)
Frank Welker
Megatron (voice)
Tania Gunadi
Miko Nakadai (voice)
Josh Keaton
Jack Darby (voice)
Kevin Michael Richardson
Bulkhead (voice)
Ernie Hudson
Agent William Fowler (voice)
