Billy and Sheena visit their Uncle Harold on an island in the Caribbean, but while exploring under water they find something terrible lurking deep...
Rochtain Neamhtheoranta In Aisce, Cuardaigh aon rud Uimh Fógraí, Milliúin teidil agus curtha leo gach lá, Gach ardán agus Optamaithe go hiomlán, Áit ar bith agus am ar bith
Cláraigh Tapa!
Cruthaigh Cuntas In Aisce