Columns: No. | # | Episode title | Director | Writer(s) | U.S. original airdate | Prod. code
6 | 1 | "Masters and Students" | Todd Waterman | David Slack | February11,2011 | 106 | 7 | 2 | "Scrapheap" | Shaunt Nigoghossian | Marsha Griffin | February18,2011 | 107 | 8 | 3 | "Con Job" | Vinton Heuck | Steven Melching | February25,2011 | 108 | 9 | 4 | "Convoy" | Todd Waterman | Joseph Kuhr | March4,2011 | 109 | 10 | 5 | "Deus Ex Machina" | Shaunt Nigoghossian | Nicole Dubuc | March11,2011 | 110 | 11 | 6 | "Speed Metal" | Vinton Heuck | Dean Stefan | April9,2011 | 111 | 12 | 7 | "Predatory" | Todd Waterman Kirk Van Wormer (Co-Director) | Marsha Griffin | April16,2011 | 112 | 13 | 8 | "Sick Mind" | Shaunt Nigoghossian | Steven Melching | April30,2011 | 113 | 14 | 9 | "Out of His Head" | Vinton Heuck | Nicole Dubuc | May7,2011 | 114 | 15 | 10 | "Shadowzone" | Todd Waterman | Marsha Griffin | May14,2011 | 115 | 16 | 11 | "Operation: Breakdown" | Shaunt Nigoghossian | Steven Melching | June18,2011 | 116 | 17 | 12 | "Crisscross" | Vinton Heuck | Joseph Kuhr | June25,2011 | 117 | 18 | 13 | "Metal Attraction" | Todd Waterman | Nicole Dubuc | July9,2011 | 118 | 19 | 14 | "Rock Bottom" | Shaunt Nigoghossian | Tim Jones | July16,2011 | 119 | 20 | 15 | "Partners" | Vinton Heuck | Mike Johnson | July23,2011 | 120 | 21 | 16 | "T.M.I." | Todd Waterman | Joseph Kuhr | September10,2011 | 121 | 22 | 17 | "Stronger, Faster" | Shaunt Nigoghossian | Mairghread Scott | September17,2011 | 122 | 23 | 18 | "One Shall Fall" | Vinton Heuck | Duane Capizzi Joseph Kuhr | September24,2011 | 123 | 24 | 19 | "One Shall Rise, Part 1" | Todd Waterman | Nicole Dubuc Duane Capizzi | October1,2011 | 124 | 25 | 20 | "One Shall Rise, Part 2" | Shaunt Nigoghossian | Marsha Griffin | October8,2011 | 125