S02E18: City of Steel
The Decepticons plan to take New York and turn it into their new home base, disassembling Optimus Prime in the process. The rest of the Autobots must save Optimus and New York City without their leader.
Previous Episode 
Season 1
Transport to Oblivion
S1E1 / 06 Oct 1984
Roll for It
S1E2 / 13 Oct 1984
Divide and Conquer
S1E3 / 20 Oct 1984
S.O.S. Dinobots
S1E4 / 27 Oct 1984
The Ultimate Doom: Brainwash (1)
S1E5 / 03 Nov 1984
The Ultimate Doom: Search (2)
S1E6 / 10 Nov 1984
The Ultimate Doom: Revival (3)
S1E7 / 17 Nov 1984
War of the Dinobots
S1E8 / 24 Nov 1984
Countdown to Extinction
S1E9 / 01 Dec 1984
Fire in the Sky
S1E10 / 08 Dec 1984
Heavy Metal War
S1E11 / 15 Dec 1984
Fire on the Mountain
S1E12 / 22 Dec 1984
A Plague of Insecticons
S1E13 / 29 Dec 1984
Season 2
Autobot Spike
S2E1 / 23 Sep 1985
The Immobilizer
S2E2 / 24 Sep 1985
Dinobot Island (1)
S2E3 / 24 Sep 1985
Dinobot Island (2)
S2E4 / 26 Sep 1985
Traitor
S2E5 / 27 Sep 1985
Enter the Nightbird
S2E6 / 29 Sep 1985
Changing Gears
S2E7 / 30 Sep 1985
A Prime Problem
S2E8 / 01 Oct 1985
Atlantis, Arise!
S2E9 / 02 Oct 1985
Attack of the Autobots
S2E10 / 03 Oct 1985
Microbots
S2E11 / 06 Oct 1985
The Master Builders
S2E12 / 07 Oct 1985
The Insecticon Syndrome
S2E13 / 08 Oct 1985
Day of the Machines
S2E14 / 09 Oct 1985
Megatron's Master Plan (1)
S2E15 / 13 Oct 1985
Megatron's Master Plan (2)
S2E16 / 14 Oct 1985
Auto Berserk
S2E17 / 15 Oct 1985
City of Steel
S2E18 / 16 Oct 1985
Desertion of the Dinobots (1)
S2E19 / 20 Oct 1985
Desertion of the Dinobots (2)
S2E20 / 21 Oct 1985
Blaster Blues
S2E21 / 22 Oct 1985
A Decepticon Raider in King Arthur's Court
S2E22 / 23 Oct 1985
The God Gambit
S2E23 / 27 Oct 1985
The Core
S2E24 / 28 Oct 1985
Make Tracks
S2E25 / 29 Oct 1985
The Autobot Run
S2E26 / 30 Oct 1985
The Golden Lagoon
S2E27 / 03 Nov 1985
Quest for Survival
S2E28 / 04 Nov 1985
The Secret of Omega Supreme
S2E29 / 05 Nov 1985
Child's Play
S2E30 / 06 Nov 1985
The Gambler
S2E31 / 10 Nov 1985
The Search for Alpha Trion
S2E32 / 11 Nov 1985
Auto-Bop
S2E33 / 12 Nov 1985
Prime Target
S2E34 / 13 Nov 1985
The Girl Who Loved Powerglide
S2E35 / 17 Nov 1985
Triple TakeOver
S2E36 / 18 Nov 1985
Sea Change
S2E37 / 19 Nov 1985
Hoist Goes Hollywood
S2E38 / 20 Nov 1985
The Key to Vector Sigma (1)
S2E39 / 24 Nov 1985
The Key to Vector Sigma (2)
S2E40 / 25 Nov 1985
Aerial Assault
S2E41 / 09 Dec 1985
Masquerade
S2E42 / 15 Dec 1985
Trans-Europe Express
S2E43 / 22 Dec 1985
War Dawn
S2E44 / 24 Dec 1985
Cosmic Rust
S2E45 / 25 Dec 1985
Kremzeek!
S2E46 / 26 Dec 1985
Starscream's Brigade
S2E47 / 06 Jan 1986
The Revenge of Bruticus
S2E48 / 07 Jan 1986
B.O.T.
S2E49 / 08 Jan 1986
Season 3
The Five Faces of Darkness (1)
S3E1 / 14 Sep 1986
The Five Faces of Darkness (2)
S3E2 / 15 Sep 1986
The Five Faces of Darkness (3)
S3E3 / 16 Sep 1986
The Five Faces of Darkness (4)
S3E4 / 17 Sep 1986
The Five Faces of Darkness (5)
S3E5 / 18 Sep 1986
The Killing Jar
S3E6 / 28 Sep 1986
Chaos
S3E7 / 29 Sep 1986
Dark Awakening
S3E8 / 30 Sep 1986
Starscream's Ghost
S3E9 / 01 Oct 1986
Thief in the Night
S3E10 / 05 Oct 1986
Forever Is a Long Time Coming
S3E11 / 07 Oct 1986
Surprise Party
S3E12 / 08 Oct 1986
Madman's Paradise
S3E13 / 12 Oct 1986
Carnage in C-Minor
S3E14 / 13 Oct 1986
Fight or Flee
S3E15 / 14 Oct 1986
Webworld
S3E16 / 19 Oct 1986
Ghost in the Machine
S3E17 / 21 Oct 1986
The Dweller in the Depths
S3E18 / 29 Oct 1986
Nightmare Planet
S3E19 / 30 Oct 1986
The Ultimate Weapon
S3E20 / 09 Nov 1986
The Quintesson Journal
S3E21 / 10 Nov 1986
The Big Broadcast of 2006
S3E22 / 11 Nov 1986
Only Human
S3E23 / 12 Nov 1986
Grimlock's New Brain
S3E24 / 13 Nov 1986
Money Is Everything
S3E25 / 16 Nov 1986
Call of the Primitives
S3E26 / 17 Nov 1986
The Burden Hardest to Bear
S3E27 / 18 Nov 1986
The Face of Nijika
S3E28 / 19 Nov 1986
The Return of Optimus Prime (1)
S3E29 / 24 Feb 1987
The Return of Optimus Prime (2)
S3E30 / 25 Feb 1987
Season 4
The Rebirth (1)
S4E1 / 09 Nov 1987
The Rebirth (2)
S4E2 / 10 Nov 1987
The Rebirth (3)
S4E3 / 11 Nov 1987
Peter Cullen
Optimus Prime (voice)
Frank Welker
Galvatron / Chromedome (voice)
Richard Gautier
Hot Rod (voice)
Jack Angel
Ultra Magnus / Cyclonus (voice)
Susan Blu
Arcee (voice)
Corey Burton
Spike Witwicky (voice)
David Mendenhall
Daniel Witwicky (voice)
