Episode 41 of "Roswell"
s02e19 Baby, It's You
Title: Baby, It's You
Original Air Date: 05/07/2001 on UPN
Director: Rodney Charters
Writer: Lisa Klink
Guest Stars: Jeremy Guskin (Derek), Lauren E. Roman (Bonnie), Sean Dwyer (II) (Computer Guy), Jodi Ann Paterson (Jodi Ann Paterson), Nicole Baunner (Leanna/Jennifer Coleman), Nelly Furtado (Herself)
Plot Outline:
Max is hit with a one-two punch after he discovers that not only is Tess pregnant with his son, but that the baby cannot survive unless they return to their home planet. Liz, Maria and Michael work together to unravel the mysterious double life of Alex. Isabel and Kyle explore her powers as they play pranks on Max and Kyle dreamwalks with a Playmate.