Hannibal Bates disguises himself as someone else and escapes into the crowd in episode 1x19 "Who Is Harrison Wells?".
Barry as The Flash runs through a plaza in pilot episode.
Philip walks with Jenny after the meeting and she gives him the eye drops to help with his withdrawal symptoms in episode 2x02 "Protocol 4".
Kady is walking back to the hideout when someone comes up to her with a box of puppies in episode 4x03 "The Bad News Bear". Quentin talks to Julia about his father's death in episode 4x04 "Marry Fuck Kill".
Supergirl stops a group of thieves outside a jewelry store but is quickly bothered when Mr. Mxyzptlk shows up in episode 2x13 "Mr. & Mrs. Mxyzptlk".
Square where the Fringe team follows and loses David Jones after releasing him in episode #409 "Enemy of My Enemy".
Agent Duram has a chat with Clarice here in episode 1x11 "Retribution".
Source: Visit Caprica