List of Prime episodes

Season 1: 2010-2011

#	Title	Writer	Director	Original airdate	Production code
1	"Darkness Rising, Part 1"	Duane Capizzi	David Hartman	November 26, 2010	101
After eliminating Cliffjumper, the Decepticons target Arcee and three humans become involved in the Transformer war.
2	"Darkness Rising, Part 2"	Nicole Dubuc	David Hartman	November 26, 2010	102
The Autobots attempt to rescue Cliffjumper, whom they believe to be alive, only to discover that the Decepticons have been experimenting on him with Dark Energon.
3	"Darkness Rising, Part 3"	Marsha Griffin	Todd Waterman	December 1, 2010	103
Optimus Prime and Ratchet go and battle zombies while Agent Fowler is abducted by the Decepticons.
4	"Darkness Rising, Part 4"	Steven Melching	Shaunt Nigoghossian	December 2, 2010	104
The Autobots and the three kids rescue Fowler while Optimus and Ratchet continue fighting zombies.
5	"Darkness Rising, Part 5"	Joseph Kuhr	Vinton Heuck	December 3, 2010	105
With Megatron's plan revealed, the Autobots attempt to stop him using the space bridge to send Dark Energon to Cybertron.
6	"Masters & Students"	David Slack	Todd Waterman	February 11, 2011	106
While Skyquake battles Optimus Prime, Starscream recovers the nearly dead Megatron.
7	"Scrapheap"	Marsha Griffin	Shaunt Nigoghossian	February 18, 2011	107
While Optimus and Arcee are trapped in the Arctic, the base is invaded by deadly Scraplets.
8	"Con Job"	Steven Melching	Vinton Heuck	February 25, 2011	108
Bulkhead awaits a visit from his buddy Wheeljack, but his arrival does not go as planned.
9	"Convoy"	Joseph Kuhr	Todd Waterman	March 4, 2011	109
The Autobots assist Fowler with transporting the DNGS.
10	"Deus ex Machina"	Nicole Dubuc	Shaunt Nigoghossian	March 11, 2011	110
When Bulkhead makes a discovery in Greece, the race is on to recover an Energon Harvester.
11	"Speed Metal"	Dean Stefan	Vinton Heuck	April 9, 2011	111
Jack is drawn into the world of street racing to impress Sierra, and is aided by Bumblebee.
12	"Predatory"	Marsha Griffin	Todd Waterman, Kirk Van Wormer (co-director)	April 16, 2011	112
When Arcee takes Jack on a routine mission, Airachnid turns up, putting him in danger
13	"Sick Mind"	Steven Melching	Shaunt Nigoghossian	April 30, 2011	113
When Optimus is infected by a Decepticon plague, Arcee and Bumblebee sneak aboard the Nemesis to find a cure.
14	"Out of His Head"	Nicole Dubuc	Vinton Heuck	May 7, 2011	114
Megatron takes control of Bumblebee's mind.
15	"Shadowzone"	Marsha Griffin	Todd Waterman	May 14, 2011	115
The kids are trapped in another dimension with Skyquake after the GroundBridge fails.
16	"Operation: Breakdown"	Steven Melching	Shaunt Nigoghossian	June 18, 2011	116
The Autobots must rescue Breakdown when he is captured by MECH.
17	"Crisscross"	Joseph Kuhr	Vinton Heuck	June 25, 2011	117
Airachnid teams up with MECH to plot her revenge on Arcee and Jack.
18	"Metal Attraction"	Nicole Dubuc	Todd Waterman	July 9, 2011	118
The Autobots try to claim a magnetic weapon before the Decepticons get to it.
19	"Rock Bottom"	Tim Jones	Shaunt Nigoghossian	July 16, 2011	119
The Autobots, Jack and Miko find themselves trapped inside a cave with Megatron and Starscream.
20	"Partners"	Mike Johnson	Vinton Heuck	July 23, 2011	120
The team is surprised to learn that Starscream wants to become an Autobot.
21	"T.M.I."	Joseph Kuhr	Todd Waterman	August 7, 2011 (Canada) September 10, 2011 (U.S.)	121
Bulkhead is accidentally uploaded with the information from a data cylinder.
22	"Stronger, Faster"	Mairghread Scott	Shaunt Nigoghossian	August 14, 2011 (Canada)	122
Ratchet 'finalizes' the synthetic energon formula and uses himself as a test subject, but it ends up having some negative side effects.
23	"One Shall Fall"	Joseph Kuhr and Duane Capizzi	Vinton Heuck	August 21, 2011 (Canada)	123
A prophecy predicts dark times ahead, which Megatron intends to see through.
24	"One Shall Rise, Part 1"	Nicole Dubuc and Duane Capizzi	Todd Waterman	October 1, 2011	124
The Autobots discover that Dark Energon is responsible for an epidemic of natural disasters.
25	"One Shall Rise, Part 2"	Marsha Griffin	Shaunt Nigoghossian	October 8, 2011	125
The Autobots team up with a surprising ally to save the Earth.
26	"One Shall Rise, Part 3"	Steven Melching	Vinton Heuck	October 16, 2011	126
Jack learns more about Optimus's history on Cybertron while the Autobots continue their battle at the Earth's core.