Watch CSI Lost & Found Stream Online. When you lost somebody you ever love because of a tragic incident, sometimes our mind get lost too. Just like A mother thought to be grieving for the loss of her family three years ago becomes a suspect in a CSI investigation in the latest episode of CSI Lost & Found. The episode broadcasts on Thursday, May 06, 2010 9:00 PM-10:00 PM EST on CBS. So, how will the team may find out what happened to her? Dont miss and Watch CSI Lost & Found Stream Online.