Dr. Howard Young/Episodes

Season two

 * Ep 21 - Near Flawless

Season three

 * Ep 38 - Boundless
 * Ep 39 - Colony Collapse
 * Ep 41 - A Resounding Success

Season four

 * Ep 51 - A Lying Game (mentioned only)
 * Ep 53 - Left Undone (mentioned only)
 * Ep 56 - Efficiently Recycling (mentioned only)

Season five

 * Ep 62 - The Games You Play
 * Ep 66 - Developer's Log (mentioned only)
 * Ep 67 - By Any Reasonable Definition (mentioned only)
 * Ep 69 - Humanity's FUTURE
 * Ep 71 - Pure Speculation (mentioned only)
 * Ep 72 - Worst Possible Scenario
 * Ep 73 - Of Flesh and Bone

Season Six

 * Ep 84 - The Mistake

Chronological order

 * Ep 62 - The Games You Play
 * Ep 66 - Developer's Log (mentioned only)
 * Ep 67 - By Any Reasonable Definition (mentioned only)
 * Ep 69 - Humanity's FUTURE
 * Ep 71 - Pure Speculation (mentioned only)
 * Ep 72 - Worst Possible Scenario
 * Ep 73 - Of Flesh and Bone


 * Ep 21 - Near Flawless
 * Ep 38 - Boundless
 * Ep 39 - Colony Collapse
 * Ep 41 - A Resounding Success
 * Ep 51 - A Lying Game (mentioned only)
 * Ep 53 - Left Undone (mentioned only)
 * Ep 56 - Efficiently Recycling (mentioned only)
 * Ep 84 - The Mistake