In an interview with JJ Abrams they added some new scenes with Elizabeth from Revolution (I think they are from episode 4), you can watch them here [SPOILER ALERT]:
We found two Revolution promotional photos and a “WANTED” poster for Rachel Matheson.
Revolution 2×05 Press Release
Title: “ONE RIOT, ONE RANGER”
Air Date: 10/23/2013 (08:00PM – 09:00PM) (Wednesday)
Plot: MYSTERIOUS SCIENCE IS ABOUND AND ALMOST NO ONE IS IMMUNE FROM SURPRISES – Aaron (Zak Orth) and Rachel (Elizabeth Mitchell) speculate on the extreme effects of Nano technology, while he also confides in Cynthia (Jessica Collins). Meanwhile a figure from Miles’s (Billy Burke) rugged past, Texas Ranger John Fry (Jim Beaver) reemerges. Fry could be Miles’ chance to bring down the Patriots in a big way, however Fry will need convincing. Charlie (Tracy Spiridakos) has a surprise for Miles and her mother, while Secretary Allenford (Nicole Ari Parker) holds a secret important to Neville (Giancarlo Esposito).
Also starring: David Lyons, Jason Douglas, Steven Culp and Ashley Wood.