How the Other Half Lives: Max tries to stop Alex and Kyle from being buried alive in a cave filled with glowing blue crystals. Isabel is kidnapped by the alien-possessed Grant Sorenson.
Crazy: FBI Agent Kathleen Topolsky warns Liz that a covert alien hunter inside the Bureau is pursuing Max and his friends and will stop at nothing to get what he wants.
Crazy: FBI Agent Kathleen Topolsky warns Liz that a covert alien hunter inside the Bureau is pursuing Max and his friends and will stop at nothing to get what he wants.
Blind Date: Maria enters Liz in a blind date contest. Max and Kyle commiserate with each other about their shared feelings for Liz. Michael and Isabel send a signal to the fourth alien.
The Toy House: When Max rescues his mother from a kitchen fire she faces her suspicions about his extraordinary abilities. Meanwhile, Liz reaches out to Kyle.
Blood Brother: When Max is injured in a car accident, Liz worries any medical intervention might expose his alien status and pressures Alex into helping cover things up.
River Dog: Liz and Max journey to an American Indian reservation, where they glean information from an elderly tribesman about the alien who vanished in 1959.
Missing: When Liz's personal journal, which contains everything she knows about the aliens, goes missing she worries it has fallen into the wrong hands.
Panacea: Michael uncovers a conspiracy at Metachem, when a guard is killed on duty. Michael enlists the aid of Max and Isabel when the investigation takes an alien turn.