Person of Interest
Carter & Reese Meet
Carter and Reese meet on the waterfront after he is released from prison and they are ambushed by Agent Donnelly in episode 2x12 “Prisoner's Dilemma”.
Source: Person of Interest — Wikia
Park
Finch talks to Sandra Nicholson in the park and they watch Aaron Hollenberg play in episode 3x15 “Last Call”.
Greer & Garrison Talk
Garrison talks to Greer about how successful Samaritan has been at stopping terrorists in episode 4x01 “Panopticon”.
Source: Person of Interest — Wikia