S5E1 - Boudica
Ryan won't let his sister Scarlett join in his play sword fight as "girls can't fight with swords". Grandad arrives and tells them about Boudica, they then travel to AD61 and meet her.
Oct. 3, 2003, midnight
S5E2 - Dr Jenner
Lucy does not want to go to the doctor's for a vaccination, Grandad arrives and takes her and her brother Duncan to meet Dr Jenner.
Oct. 17, 2003, midnight
S5E3 - Brunel
Morgan and Harry are drawing pictures of bridges and boats. Grandad tells them about Isambard Kingdom Brunel, then they travel to meet him.
Oct. 17, 2003, midnight
S5E4 - Mary Seacole
Scarlett and Ryan are having a battle between soldiers and robots. Grandad arrives and tells them about Mary Seacole, who helped injured soldiers during the Crimean War.
They travel back in time to meet her and help to collect fresh medical supplies.
Oct. 17, 2003, midnight