Monday, Apr 24 – (9:00 – 10:00 pm ET)
“Four-Square” TV-PG, D
SECRETS OF THE PAST AND FUTURE REVEALED � Convinced that Tess (guest star Emilie De Ravin) is the shape-shifting Nasedo and poses a dangerous threat to the safety of the aliens, as well as to his relationship with Liz (Shiri Appleby), Max (Jason Behr) angrily confronts her in the desert, but is stunned when she reveals the secret of her identity and the birthplace of all the aliens. Meanwhile, Isabel (Katherine Heigl) and Michael (Brendan Fehr) are embarrassed by the disturbing dreams they are suddenly having about one another, leading Isabel to seek comfort with Alex (Colin Hanks), while Michael turns to Maria (Majandra Delfino). William Sadler and Nick Wechsler also star. Jonathan Frakes directed the episode written by Thania St. John (#1ADA18).