When Professor Stein is disgusted with the music that Jax has in the workshop, Jax proposes him to put on the soundtrack of Titanic, by 'Celine Dion'. Stein replied, "No thanks." Victor Garber, who plays Professor Stein, was in Titanic (1997) as Mr. Andrews, the ship architect.
Henry Hewitt refers to Martin Stein as a "legend" foreshadowing his role in Legends of Tomorrow.
The stadium and underneath were the same as used in Smallville.
This episode is named after the DC comic series "The Fury of Firestorm" that ran from 1982-1990.