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. Cisco walks arm-in-arm with Kamilla on a nice spring day in episode 5x22 “Legacy”.
Square where the Fringe team follows and loses David Jones after releasing him in episode #409 "Enemy of My Enemy".
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”.
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”.
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”.
Ben Lockwood is holding a rally after accepting his new role as Alien Affairs Liaison when the Elite attempt to assassinate him. Later, Kara decides to join the pro-alien rally as it travels towards the Alien Affairs Building in episode 4x14 “Stand and Deliver”. Alex tells Kelly to be careful while they are out getting coffee with Kara and James before work in episode 5x03 “Blurred Lines”.
Thomas Coville sings Lena's praises during a Cult of Rao rally after she protected Supergirl's identity during Lillian's trial and later Kara reveals her identity to save Lena.
Lex holds a press conference with his lawyer after his acquittal. Most of the footage from this scene appears to be reused from an earlier episode.
Lena visits Sam in Metropolis to talk about Kara's reveal just before the atmosphere is laced with Kryptonite in episode 5x13 “It's a Super Life”.
Agent Duram has a chat with Clarice here in episode 1x11 “Retribution”.
Source: Visit Caprica
