Air date: September 26th, 2008 (UK), October 25th, 2008 (US)
Neville informs Thomas and Percy that the brass band is coming for a special concert. Thomas suggests that if Percy wants to collect the band, he should go to the washdown. But while Percy is away, the Fat Controller arrives and asks Thomas to take the band. Thomas feels bad and tries to avoid Percy, but when he has to collect the band from Brendam, he is found by Percy. Thomas feels guilty and asks the Fat Controller to let Percy collect the band afterwards, and leaves to tell Percy of his plan. Percy and Thomas make up and agree to never keep secrets from each other again.
Tropes featured in the episode:
- End of an Age: This episode marks the official end of the series using the models.
- Heterosexual Life-Partners: Hence the name, this episode acknowledges the friendship of Thomas and Percy.
- Season Finale: Of Series 12.
