Is Eolaí mé

PëRMBLEDHJE

Peadar has difficulty finding his dog Woody in the dark, this leads him to investigate light and how light travels. Peadar is joined in studio by Fiach Ó Coistealbha and Mac Ó Brian and they help to make fluorescent slime. Úna visits W5 in Belfast to check out the exhibitions on light and she finds out what happens when light is blocked. An t0llamh Ullamh isn't so happy when he gets left in the dark, Aodh must be up to his tricks again.