Jaak and Tag find a cavern filled with amazing contents and send an alert to some long forgotten visitors from the past.
The three friends explore a lava field and discover a cave that leads to a new lava tube.
Jaak, Tag and Dieter go camping together and Tag notices that some things are changing.
Dieter’s exuberance gets him into a sticky situation and the boys learn that there are more lava tubes to explore in the valleys.
Tag is introduced to a new friend, but not before a reluctant start!
Dieter arrives at Jaak’s cabin and is given an orientation of the facilities.
Jaak’s friend arrives from Aoraki, and cultural adjustments need to be made.
The snow has melted, romance is in the air and a friend is coming to stay.
Altai restocks his supply of coldies, and has an unexpected encounter with the past.
Jaak has a bad night’s sleep. An impressive feat of engineering. Altai and Jaak have a heart to heart.