5.13 Chronology for NHJ:
Scene 1: Dan/Nathan/Lucas fight. Jamie and Haley are there also.
Scene 2: Month later. Haley doesn't let Jamie get ice cream from the ice cream man. (Nathan not in the scene)
Scene 3 (?): Haley expressing her fears about being too overprotective with Jamie to the therapist.
Scene 21: School Playground. Dan visits Jamie.
Scene 28: Olivia's Office. Nathan and Haley are in marriage counseling.
Scene 30: Jamie's Classroom. Jamie talking about his new best friend.
Brooke picks up Jamie from school.
(not the last scene of episode...at least two other scenes follow) Nathan/Haley have intimate conversation in bedroom. Kissing...implied sex.
5.14 Chronology for NHJ:
Scene 27: NH's house. Brooke, Peyton, and Haley gather baby supplies. Lucas, Nathan, and Jamie arrive.
Scene 31: NH interview nannies.
Scene 32: Nathan watches both Haley and Deb interact with Jamie.
Scene 33: Haley later suggests that Nathan should go work out.
*I don't know the scene numbers for the hospital scenes with Nathan, Jamie, and Dan.*
(credit to Curlyhead @ FF)