'Arry and Bert is an upcoming episode.
'Arry and Bert get tired of their jobs and they are diesels and they are working at the Smelter's Yard.
- 'Arry and Bert
- Troublesome Trucks
- Sir Topham Hatt
- The Duke and Duchess of Boxford
- Sailor John
- Thomas (narration only; cameo in main episode)
- Rebecca (cameo)
- Hugo (cameo)
- Annie and Clarabel (cameo)
- Trevor (cameo)
- Gordon (mentioned)
- Samson (stock footage)
- Winston (stock footage cameo)
- Toby (mentioned in segment)
- Henrietta (mentioned in segment)
- At the end of the episode, Thomas mentions the events from the eighteenth season episode, Samson at Your Service, stock footage from the said episode is also used.
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