Rosie's Backstory is a cancelled episode from the canceled Backstories miniseries.
Rosie tells the other engines at Knapford Sheds about her past.
- (Some of the Knapford Sheds Engines also would've appeared.)
- (Thomas and Madison may have appeared)
- This was the only episode from the cancelled Backstories miniseries to end up not being released as part of another season or miniseries.
- However, Jacobacranmer said he may pick up this episode, along with the cancelled eighth season episode, for a later season.
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