Indonesian has become a popular language to learn among Thais. This is a gateway to deepening intra-ASEAN linkages, a key building block for the socio-cultural pillar of the ASEAN Community. Sathapat Phaethong (@Sathapat_P) of ‘Sawasdee ASEAN’ programme reports from Bangkok and Jakarta in this TV report for the ‘Reporting ASEAN 2015 and Beyond’ media programme.