Supergirl comments, "I can't believe I got to see Air Force 1." The president replies, "If you think that's cool, you should see my other jet." The actress playing the president, Lynda Carter, played Wonder Woman, who has an invisible jet.
Lynda Carter played another DC Comics superhero in the 1970's, Wonder Woman (1975). She also guest starred in Smallville (2001).
Second live-action appearance of DC Comics' Maggie Sawyer. She was portrayed by Jill Teed on Smallville (2001).
As an additional nod to Lynda Carter in this episode, just before Kara visits Lena Luther's office, there is a shot of street sign that reads W CORDOVA ST. Carter's birth name is Linda Jean Cordova Carter.