Season 05, Episode 12 – “Bratva”
A mission takes Oliver, Felicity and the team to Russia, where they meet up with Oliver’s old friend, Anatoly. Meanwhile, fresh out of rehab, Lance returns to the mayor’s office ready to get back to work. However, when Susan asks for an interview with Lance to discuss his addiction, he balks and it’s up to Rene to help keep things on track.
Season 03, Episode 09 – “The Present”
Barry goes to Earth-3 to get advice from Jay Garrick on how to stop Savitar. Wally wants to help Barry fight Savitar and reveals that he’s been training with H.R., which doesn’t go over well with Barry. Meanwhile, old wound are reopened when Cisco faces his first Christmas without his brother Dante.
Season 10, Episode 10 – “The Geology Elevation”
Two nerdy physicists share an apartment and an unlikely friendship with their beautiful neighbor with whom one of them is infatuated. Like the universe after the big bang, the show’s popularity expanded, thanks to breakout star Jim Parsons, along with the chemistry among the friends and the developing romance between Leonard and Penny. The addition of Melissa Rauch and Mayim Bialik in later seasons also enhanced the stories and relationships of the leads.