Kara arranges to meet both James and Winn behind the building as Supergirl in episode 1x02 "Stronger Together".
Two soldiers sent by Astra attack Hellgrammite for his indiscretion at the chemical plant in episode 1x02 "Stronger Together".
Kara and Alex spot the helicopter falling through the sky and Kara runs off to become Supergirl in episode 1x04 "Livewire".
Kara flies in as Supergirl and quickly changes into her street clothes to pick up Cat's son Carter from school in episode 1x05 "How Does She Do It?".
Kara sets up a trap for Red Tornado while the rest of the team hunts its operator in episode 1x06 "Red Faced".
Kara heads to Winn's father's old factory and falls into a trap in episode 1x10 "Childish Things".
Alex leads a DEO team to capture a escapee when the Master Jailer attacks in episode 1x14 "Truth, Justice and the American Way".
Alex and Kara try to save Detective Warren from the Master Jailer but Alex gets shot in the process in episode 1x14 "Truth, Justice and the American Way".
Kara shows up to support a young girl who is being bullied for her homemade Supergirl costume in episode 1x16 "Falling".
Supergirl saves a firefighter at a burning building and then gets infected with the Red Kryptonite in episode 1x16 "Falling".
Indigo scares off a newly engaged couple and then meets Non on a roof in episode 1x16 "Falling".
K'hund is robbing an armored car when the DEO arrives to stop him in episode 1x16 "Falling".
Supergirl is photographed stopping a bank robbery in episode 1x01 "Pilot".
After being rescued by Barry, he and Kara end up in a field outside the city where they introduce themselves in episode 1x18 "Worlds Finest".
The DEO tests Supergirl's abilities in the middle of the desert in episode 1x02 "Stronger Together". Supergirl is tested against the military's Red Tornado in episode 1x06 "Red Faced".
Supergirl takes the fight against Reactron from the fundraiser to an empty lot in episode 1x03 "Fight or Flight".
Alex and Hank land in town and Hank struggles to shield Alex and himself from the Myriad signal in episode 1x19 "Myriad".
Kara catches Cat right before she hits the ground after throwing her off the building in episode 1x16 "Falling". Kara lands with Winn and James next to the body Kelly after the three of them fall off building in episode 1x19 "Myriad".
Lena is taking off in her helicopter when it is attacked by several drones in episode 2x01 "The Adventures of Supergirl".
Supergirl fixes the support to prevent the L Corp building from falling over in episode 2x01 "The Adventures of Supergirl".
Supergirl and Superman help the firefighters put out a building that is on fire in episode 2x02 "The Last Children of Krypton".
Clark lands back in Metropolis and quickly receives a call from his boss in episode 2x02 "The Last Children of Krypton".
Kara and Clark head to the industrial district where Metallo is unloading equipment in episode 2x02 "The Last Children of Krypton". Brian is being kidnapped by Cadmus when Alex and Maggie show up to rescue him and gather intel in episode 2x15 "Exodus".
Maggie Sawyer takes Alex to a secret alien bar in episode 2x03 "Welcome to Earth". Hank returns to the bar to apologize to M'gann only to be captured by Roulette in episode 2x04 "Survivors". Hank confronts M'gann about her true nature in episode 2x07 "The Darkest Place". Mon-El follows the real Hank Henshaw outside as and fights him as the virus is released inside the bar in episode 2x08 "Medusa". M'gann and J'onn are attacked by the White Martian Armek outside the bar in episode 2x11 "The Martian Chronicles". Mon'el draws out Mr. Mxyzptlk and challenges him to a duel in episode 2x13 "Mr. & Mrs. Mxyzptlk". Cadmus agents kidnap Lyra and several other aliens from the bar but Guardian manages to capture one of them in episode 2x15 "Exodus".
Maggie is interviewed by the news about the apparent Guardian murders in episode 2x07 "The Darkest Place".
James returns to the van after another bit of vigilanting and he apologizes to Winn and brings Lyra back onto the team in episode 2x18 "Ace Reporter".
Alex joins Maggie outside a warehouse in a fancy outfit for their not-a-date at the fight club in episode 2x04 "Survivors".
Hank and M'gann are forced to fight each other at Roulette's fight club but are saved by Supergirl and the DEO in episode 2x04 "Survivors".
Alex arrives at the police station just as Maggie is forced to release Roulette and then she asks Maggie out for drinks in episode 2x04 "Survivors". Maggie is walking Chet and his cohorts to the transport van when the three criminals are killed by Cadmus in episode 2x05 "Crossfire".
Lena invites both Kara and Supergirl to her gala where she lays a trap for the three criminals terrorizing the city in episode 2x05 "Crossfire".
Supergirl arrives to find the gang using an anti-gravity gun during their latest heist in episode 2x05 "Crossfire".
The mysterious leader of Cadmus meets with the criminal gang and provides them with the new alien weapons they requested in episode 2x05 "Crossfire".
Alex heads to the parking garage to ask Maggie to lay off Guardian and ends up talking about her feelings in episode 2x07 "The Darkest Place".
Mon-El attempts to be charitable and is captured by Cadmus for his trouble in episode 2x06 "Changing".
Mon-El and Guardian stop the mutated Dr. Jones from killing Rand O'Reilly and other bystanders until Supergirl can arrive to stop him once and for all in episode 2x06 "Changing".
A group of researchers in the arctic find a frozen wolf body and something goes terribly wrong when they go to dissect it leading to the D.E.O.'s investigation in episode 2x06 "Changing".
Dr. Jones heads back to his lab after being rescued by the DEO and kills his boss who wants to fire him in episode 2x06 "Changing".
Cyborg Superman breaks into the lobby of L Corp to steal the isotope needed to use the Medusa virus but is thwarted by Kara in episode 2x08 "Medusa".
Lyra takes Winn to the art gallery and convinces him that they should break in to have some hot museum sex in episode 2x16 "Star-Crossed".
Kara and Mon-el head to the police parking garage where a group of officers is under attack by what appears to be Livewire in episode 2x10 "We Can Be Heroes".
Kara yells at Mon-El outside the DEO after he disobeyed her orders and put the police officers at risk in episode 2x10 "We Can Be Heroes".
Livewire is being tortured to extract her powers by a mad scientist at an abandoned power company. Guardian and Mon-El arrive to rescue her but get in over their heads until Supergirl arrives in episode 2x10 "We Can Be Heroes".
Maggie and the cops show up to find a criminal tired up for them by Guardian in episode 2x10 "We Can Be Heroes".
John Corben is being questioned during Lillian Luthor's trial when he attacks the courtroom using his Metallo abilities in episode 2x12 "Luthors".
Lillian takes Lena to one of Lex's hidden lairs to retrieve some anti-alien weapons from an armory in episode 2x12 "Luthors".
Jeremiah returns to the Cadmus facility after stealing the list from the DEO in episode 2x14 "Homecoming". Cadmus is loading the kidnapped aliens onto their spaceship to send deep into space when Alex shows up to infiltrate the facility in episode 2x15 "Exodus".