Youngblood was on duty on the bridge, at an aft station, when the Enterprise tried to escape from Q's force field. He later helped evacuate sickbay when saucer separation was engaged. Later he went shopping in the mall on Farpoint Station. He was on duty on the bridge when Wesley Crusher entered the command center for the first time. (TNG: "Encounter at Farpoint")
He was on duty on the bridge when Natasha Yar was abducted by the Ligonian First One Lutan, working at an aft station of the bridge. His work was later overseen by Commander Riker. He also passed the quarters of Geordi La Forge when Data visited him. (TNG: "Code of Honor")
Youngblood worked on the bridge when the Enterprise encountered a Ferengi D'Kora-class marauder in orbit of Delphi Ardu IV for the first time. He fell asleep on his console when life support was nearly completely down due to an ancient Tkon Empire outpost. (TNG: "The Last Outpost")
He was sitting at his usual aft bridge console when the Enterprise entered a galaxy where thoughts became reality due to tempering by Kosinski and The Traveler, and still was on duty when the ship was safely returned to the Milky Way Galaxy. (TNG: "Where No One Has Gone Before")
Youngblood was on duty on the bridge when the ship encountered the Beta Renner cloud. Like the rest of the bridge crew, he was affected by energy beams rippling all over the bridge. (TNG: "Lonely Among Us")
He was walking through a corridor and saw Captain Picard carry Lwaxana Troi's heavy suitcase. He later was on duty on the bridge when the ship was contacted by First Electorine Valeda Innis in orbit of Haven. (TNG: "Haven")
He was on duty on the bridge when the ship was en route to Torona IV and encountering malfunctions. He applauded after Captain Picard successfully delivered his speech to the Jarada. (TNG: "The Big Goodbye")
He again worked on the bridge when the Enterprise was approaching Starbase 74. He later walked through a docking port to the starbase when the ship had to be evacuated due to tampering by the Bynars. He again was on duty on the bridge when the ship left the starbase. (TNG: "11001001")
He worked on the bridge when the Enterprise-D was doing research in the Delos system. When the ship was about to beam aboard Brekkian and Ornaran survivors, Diana Giddings talked to him at a brige aft station. (TNG: "Symbiosis")
He was on duty on the bridge shortly before the crew of the Enterprise-D encountered Nagilum and was present when the being killed Ensign Haskell. He also passed the away team in front of the transporter room. (TNG: "Where Silence Has Lease")
He was having a drink with Ensigns Darien Wallace and Bennett in Ten Forward when he was made aware by Bennett that a woman was looking at him. This was watched by Guinan and Lal; the El-Aurian explained to the android that this was called flirting. A short while later, he was sitting at a table with the woman and kissing her, meanwhile being served drinks by Lal. (TNG: "The Offspring")
In an alternate timeline created when the USS Enterprise-C traveled forward in time, Youngblood served on the Enterprise-D. He walked past the sickbay door when Captain Rachel Garrett was treated there and visited Ten Forward when Guinan had a talk with Tasha Yar. (TNG: "Yesterday's Enterprise")
Youngblood was portrayed by regular backround actor and Jonathan Frakes' stand-in James G. Becker who received for almost all of his appearances no on-screen credit, except for his last appearance in "The Offspring".
His character's name was never mentioned on screen but his role was called "Youngblood" behind the scenes.
- "Encounter at Farpoint"
- "The Naked Now"
- "Code of Honor"
- "The Last Outpost"
- "Where No One Has Gone Before"
- "Lonely Among Us"
- "The Battle"
- "Hide and Q"
- "The Big Goodbye"
- "Angel One"
- "Too Short a Season"
- "When The Bough Breaks"
- "Home Soil"
- "Coming of Age"
- "Heart of Glory"
- "The Arsenal of Freedom"
- "Skin of Evil"
- "We'll Always Have Paris"
- "Where Silence Has Lease"
- "The Outrageous Okona"
- "Unnatural Selection"
- "A Matter Of Honor"
- "The Icarus Factor"
- "Pen Pals"
- "The Emissary"
- "Peak Performance"
- "Shades of Gray" (stock footage from "Heart of Glory")
- "Booby Trap"
- "The Enemy"
- "The Vengeance Factor"
- "Yesterday's Enterprise"
- "The Offspring"
- "Tin Man"
- "Hollow Pursuits"