Titled “The Adventures of Supergirl”, the episode description reads:
THE CW HAS A NEW HERO AND SHE’S BRINGING SUPERMAN WITH HER – When a new threat emerges in National City, Kara/Supergirl (Melissa Benoist) teams up with her cousin, Clark Kent/Superman (guest star Tyler Hoechlin), to stop it. Kara is thrilled to have family in town but it leaves Alex (Chyler Leigh) feeling a bit left out. Meanwhile, Hank (David Harewood) and Supergirl are stunned by the pod that came crashing to Earth.
Glen Winter directed the episode with story by Greg Berlanti & Andrew Kreisberg and teleplay by Andrew Kreisberg and Jessica Queller (#201).
Original airdate 10/10/2016.
Season 2 of “Supergirl” premieres on The CW on October 10 at 8.00pm.