The heroes discover that their latest quest - delivering 30 birthday balloons to Mr. Friendlyface's cousin - isn't as easy as they expected.

Whilst on a quest to return the Icicle of Destiny, Trevor topples into a cavern of tiny mushrooms who treat him like a king.

Herbert takes his failed cooling hat invention along on a quest,using it to save the day after being faced with the Riddlemaster's jibes.