Judoon Return for Who Series 12

When Jodie Whittaker returns to Doctor Who next series, the Thirteenth Doctor and her friends won’t be the only familiar faces. The show, currently filming, is set to welcome back the Judoon as one of the Doctor’s fearsome adversaries.
 
More than twelve years after they stampeded onto screens to terrorise the Tenth Doctor and Martha Jones on the Moon in 2007’s Smith and Jones, the rhino-headed, brutish intergalactic police are returning to cause havoc and thrill children and adults alike.
 
These ruthless enforcers are on a deadly mission: but what for? And why has it brought them to present-day Gloucester?