Watch The DC’s Stargirl 2×07 Promo “Summer School: Chapter Seven”

The promo for the new episode of DC’s Stargirl has been released.  This new episode is titled, “Summer School: Chapter Seven”, and it will air on September 21.

In this new episode, “When the guilt over Brainwave’s (guest star Christopher James Baker) death becomes too much to handle, Yolanda (Yvette Monreal) is forced to make a heartbreaking decision.”

Source: The CW