Mxyzptlk transports Alex and J'onn to a paintball game to keep them occupied while he helps Kara.
Lena visits Sam in Metropolis to talk about Kara's reveal just before the atmosphere is laced with Kryptonite.
Alex visits Kara's grave with Thanksgiving leftovers after her death from the Kryptonite-laced atmosphere.
Lena is testifying during Lillian's trial when the defense attorney asks that she reveal Supergirl's identity.
Source: What's Filming — Twitter
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.
Ben Lockwood demands that Lena reveal Supergirl's identity and then kidnaps her when she refuses.