Latest 17+ Percy Henry Emily Thomas And Friends. Emily worries she doesn't have a best friend to spend time with while doing her job, such as edward, henry, marion, and philip, but when thomas and percy help her out of a tricky situation to deliver trucks of sand to tidmouth. Thomas & friends (series 24). He is the junior member of sir topham hatt's railway. Thomas, emily, james and percy are all busy in the bright spring sunshine.