Missions season 3 DVD box set

Sam Becker has left Mars, leaving Jeanne Renoir and the crew to their fate. But his return is more difficult than he imagined. On Earth, no one is waiting for him. He realizes he has returned to a different world. A world where no one has ever been to Mars. Those who now hold him prisoner are questioning his true identity. Only one person, Peter Kaminski, finally believes his story and begins searching for the members of the mission Sam described. Thus begins an investigation centered around a haunting question: who altered Time and why?