Judge orders retrial in Travolta extortion case

The video tutorial briefly introduces a concept, focusing on the idea of 'going back'.

What do you think the phrase 'They going back' implies about the subject?

Can you identify the grammatical error in the sentence 'They going back'?

In what context might someone say 'They going back'?

How would you correct the sentence 'They going back'?

What additional information would you need to fully understand the meaning of 'They going back'?