Barry attempts to interrupt Shawna Baez and Clay Parker's armored car heist in episode 1x12 "Crazy for You".
The police raid the warehouse where Marcus Stockheimer is meeting with Shawna Baez and Clay Parker in episode 1x12 "Crazy for You".
Joey Monteleone is dropped into a tar pit during the particle accelerator explosion in episode 2x12 "Fast Lane".
Iris heads to the street race Wally is participating in to research for her article in episode 2x12 "Fast Lane".
Danny De La Vega is killed by the mysterious fire starter in episode 1x10 "Burned".
Oliver attempts and fails to stop the murder of the second firefighter in episode 1x10 "Burned".
Oliver attempts to stop Maseo from killing criminals disguised as him in episode 3x17 "Suicidal Tendencies".
Oliver goes to where he thinks Maseo will strike only to find Ray Palmer waiting for him instead in episode 3x17 "Suicidal Tendencies".
Felicity lands with Oliver by an industrial building after rescuing him from the dam in episode 3x23 "My Name Is Oliver Queen".
Firestorm incapacitates a bad guy and then gets into an argument before being captured by Rip Hunter in pilot episode "Pilot, Part 1".
Leonard Snart and Mick Rory discuss Rip Hunter's offer in pilot episode "Pilot, Part 1".
Vandal Savage gloats to his goons about his stolen nuclear weapon in pilot episode "Pilot, Part 1".
The team infiltrates an underworld weapons auction to locate Vandal Savage and get into a spot of trouble in pilot episode "Pilot, Part 2".
Stein infiltrates the secret lab and learns the truth of Savage's project in episode 1x04 "White Knights".