Marcy and David go out walking and she tries to help him with his PTSD symptoms in episode 2x02 "Protocol 4".
Shawn looks through a photo album full of pictures of Robert Dunn and Amy Kessler in episode 1x07 "Who Ya Gonna Call?".
James tries to escape with Tom's help but has to surrender to save Tom's life. Later, Kara lands on the dock with Manchester and passes through the power-dampening barrier in episode 4x07 "Rather the Fallen Angel".