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.
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".
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".
Agent Duram has a chat with Clarice here in episode 1x11 "Retribution".
Source: Visit Caprica