When Eli introduced himself to his mom, he said his name was Phillip J. Fry, who is a character from Futurama (1999).
When Young and Wray use the communication stones, the staff they switch places with are named Baldwin and Hamilton, according to their uniforms. Actor Adam Baldwin played a character named Hamilton during season 5 of Angel (1999), as well as having played Col. Dixon in Stargate SG-1 (1997) season 7's two-part "Heroes".
This has been confirmed by EP Joseph Mallozzi to have been a coincidence (via Twitter). Which is one strange coincidence.
This has been confirmed by EP Joseph Mallozzi to have been a coincidence (via Twitter). Which is one strange coincidence.