While CSI is the most direct match, "S13E3" can refer to other series:
: Investigators find a rare, poisonous mushroom on the victim's shoe that absorbs tungsten, leading them to a nearby tungsten mine. [S13E3] Wild Flowers
The search result for primarily refers to the third episode of the 13th season of CSI: Crime Scene Investigation , which originally aired in 2012. CSI: Crime Scene Investigation - "Wild Flowers" (S13E3) While CSI is the most direct match, "S13E3"