Below you can check out previews for each shows' episode 2, which airs tomorrow night starting at 8pm ET.
Childhood’s End episode 2 "The Deceivers":
The motivations of the aliens are questioned when people begin to notice changes in their children.
The Expanse episode 2 "The Big Empty":
Holden and his crew fight for survival in a badly damaged shuttle; on Ceres, Miller uncovers clues to Julie Mao; and on Earth, UN Deputy Undersecretary Crisjen Avasarala interrogates a belter terrorist.