In the semi-final, the sewers are tasked with making an asymmetric yoked skirt.
4/8 Sian Baldwin from Perthshire receives a makeover from the Grinn team.
The sewers must tackle techniques and garment styles from other cultures and continents.
In the quarter-final, the five remaining sewers sweat it out over activewear.
3/8 Fay Thomson from Skye receives a makeover from the Grinn team.
The sewers work with the fiddliest of pattern pieces and the most delicate fabric.
The sewing room is transported back to the 1960s.
2/8 Hotelier John MacRitchie gets a restyle from the experts Donna, Lynda and John.
The sewers hope to show the judges that they can make beautiful clothes on a small scale.
1/8 Donna, Lynda and hair stylist John Comerford transform Carol McGlone from South Uist.