Syd and her team help David escape where he is being held and they escort him down to the beach where he meets Melanie Bird in episode 1x01 "Chapter 1".
David is interrogated in a fake police station constructed in an abandoned swimming pool in episode 1x01 "Chapter 1".
David leaves the mental hospital in Syd's body and sees three strange individuals getting out of a car in episode 1x01 "Chapter 1". Lenny has therapy sessions with all the team members in her office in a dream version of the hospital and David is denied pie in the cafeteria in episode 1x06 "Chapter 6". Lenny waits in the office for David to weaken so she can take over in episode 1x07 "Chapter 7".
The group rushes downstairs past more dead bodies in episode 1x05 "Chapter 5".
David makes a call to the hospital to ask about Syd but has to flee when he sees Kerry and Ptonomy walking towards him in episode 1x01 "Chapter 1".
David hides from Kerry and Ptonomy who are following him after his phone call in episode 1x01 "Chapter 1".
David has a conversation with Syd while evading his pursuers where she tells him that this is all in his mind in episode 1x01 "Chapter 1".
Syd approaches David while he sits by the water and asks about the memory that upset him in and they talk for awhile in episode 1x02 "Chapter 2".
David is taken to a facility in the woods where Dr. Bird and the others attempt to help him control his powers and examine his memories in episode 1x02 "Chapter 2". David sits by on the dock while Melanie listens to the coffee machine. Later Syd and David land in the water after teleporting out of the building during a stressful session in episode 1x03 "Chapter 3". The injured Kerry is brought back to the compound and later David demonstrates his new abilities for Syd in episode 1x05 "Chapter 5". The whole gang returns from David's childhood home with Amy and soon discover a freshly thawed Oliver in episode 1x07 "Chapter 7". David neutralizes the Division Three forces and then invites Clark inside in episode 1x08 "Chapter 8".
Ptonomy guides David into his childhood memories of running through a field with his sister in episode 1x02 "Chapter 2".
Lenny explains how she stole the stove while walking down an alley in episode 1x02 "Chapter 2". Lenny rolls David down the alley in a shopping cart while Syd, Melanie, and Ptonomy walk past. Melanie introduces Syd to child-David and Syd gives him a hug in episode 1x03 "Chapter 3".
Source: What's Filming
Syd is driving down the street with the people from Summerland in David's body when she changes back to her own body in episode 1x02 "Chapter 2".
David leaves after his session with Dr. Poole and sees Lenny across the street sitting on a stolen washing machine in episode 1x02 "Chapter 2".
Source: What's Filming
David has a memory of following his dog through the fence to a creepy house on halloween in episode 1x03 "Chapter 3".
Source: What's Filming
Kerry, Ptonomy, and Syd head to the home of Dr. Poole to find out more about David only to fall into a trap in episode 1x04 "Chapter 4".
Ptonomy heads inside Philly's memories of her time with David in episode 1x04 "Chapter 4".
Syd distracts David's old girlfriend Philly while Ptonomy goes through her memories looking into clues about David in episode 1x04 "Chapter 4".
The group arrives at the Division Three base where most of the soldiers are already dead in episode 1x05 "Chapter 5".
David's rational mind helps him create a classroom in his mind where he can calmly work through the problem of the parasite in episode 1x07 "Chapter 7".
Melanie walks through the hallway heading towards where Oliver is frozen in episode 1x07 "Chapter 7".
Clark's husband and son visit him in the hospital while he is recovering from his burns. Clark then convinces his superiors to let him return to the field in episode 1x08 "Chapter 8".
Oliver under the control of the parasite drives away with Lenny in the passenger seat in episode 1x08 "Chapter 8".