Two people were arrested on suspicion of breaking into a house in Long Eaton and stealing electronic items.
The incident happened at a property in Oxford Street at about 1am on Wednesday, September 3.
Three people broke into the house and threatened the homeowners before making off with a games console, games and mobile phone.
An 18-year-old man and a 15-year-old boy were arrested on suspicion of aggravated burglary in Windermere Gardens, Long Eaton.
Witnesses or anyone with information in connection with the offence should call Derbyshire police on 101, quoting incident 20 of September 3.
You can also call Crimestoppers, anonymously, on 0800 555 111.