Over the past few months the Thai PBS TV channel has been broadcasting a documentary series about outdoor adventure by Anukoon Sorn-ek called ตะลุยธรรมชาติ. Several episodes featured caving and they can be seen on YouTube.
 

Tham Lumphini Suan Hin (Saraburi)
Tham Nam Nao (Phetchabun)
Tham Nam Lei (Chaiyaphum)
Tham Khao Tha Morat (Phetchabun)
Doi Chiang Dao 1 (Chiang Mai)
Doi Chiang Dao 2 (Chiang Mai)
Tham Pha Mon (Mae Hong Son)
Tham Pi Man (coffin caves, Mae Hong Son)