18. The Grandparents Day (2015)
After last year's Grandparent's Day was a disaster, Mrs Gonsha is determined to make this year's celebration a great success. She has asked Battie's grandfather, a renowned inventor, to be the guest of honour.
Release date: 2015-08-12
Season number: 1
Episode number: 18
Runtime: 13 minutes
Rest of the cast - click here to expand
Joshua Sitch - Atticus, Oisín O'Leary - Battie