Question: What phenomenon said to be often seen on the mekong river and was included in the 2002 Thai comedu-drama, Mekhong Full Moon Party?
Sentence (from "Mekhong Full Moon Party"): Mekhong Full Moon Party (Thai: 15 ค่ำ เดือน 11 ; rtgs: Sip Ha Kham Duean Sip Et ; literally, "The 15th Day of the 11th Month") is a 2002 Thai comedy-drama about the Naga fireballs that arise from the Mekong at Nong Khai on the full moon in October.
Relevant evidence: Yes