Season 4

Agents Joe and Steve head to North London to recover a debt of more than £6,000 owed by an estate agent to a former client. Agents Mark and Sam face the difficult task of collecting money owed for unpaid utilities. In East Sussex, agent Alex is pursuing unpaid energy debts left behind by a closed ice-cream shop.

Agents Mark and Sam pursue a company ordered by an employment tribunal to repay money unlawfully deducted from a former employee's wages. On arrival, the company director insists the debt is being challenged and refuses to pay. Agent Alex tracks down a company that owes more than £2,000 in unpaid legal fees to a solicitor's firm.

Agents Joe and Steve are tasked with recovering money owed by a private medical company that has failed to pay outstanding invoices to another business. Lewis pursues a former tenant who owes more than £20,000 in rent arrears and Alex heads to the headquarters of an international airline to enforce a judgment awarded to a customer following a delayed flight.

Enforcement Agents Joe and Steve attend an outdoor paving supplies company to recover a debt of nearly £3,000. Enforcement agent Mark attends a debt of more than £22,000 - the debtor claims he has filed for bankruptcy and cannot pay. Also, Lewis is pursuing a home care provider that owes more than £4,000 for an unpaid invoice.

Agents Joe and Steve are up before dawn to track down a debtor who has spent years avoiding payment of service charges owed on her housing estate. Agent Lewis is pursuing a roofing company that owes a former customer more than £2,700. Also, Joe and Steve attend a hotel that owes more than £13,000 to a former guest following a successful claim for lost luggage.

Agent Lewis is pursuing a debtor named on a High Court writ for tens of thousands of pounds in unpaid rent linked to a commercial property. Agent Mark returns to a dry cleaner he has visited before in an effort to recover money owed to two former employees. Also, Joe and Steve are tasked with enforcing a substantial debt at a money exchange business.