Barry talks to Iris as The Flash on the roof in episode 1x05 "Plastique". From episode 1x06 "The Flash Is Born". From episode 1x08 "Flash vs. Arrow". Appears in 3 more episodes.
Cisco stops on the rooftop Iris predicts Peek-a-Boo will stop at and uses his power to bring her down in episode 4x01 "The Flash Reborn".
Carly runs out of the building after shooting Ted Bishop and gets picked up by Officer Boyd in episode 2x04 "11:27".