First aired: Sep/09/1977
Writer: David Wickes, Philip Hinchcliffe
Guest star: Alan Mitchell (Security Chief), Jack May (Chief Officer), Bernard Kay (Forensic Officer), Jon Laurimore (Maynard), Carl Rigg (Det. Con. Dukes), Keith James (Purser)

First aired: Sep/16/1977
Writer: David Agnew
Director: Douglas Camfield
Guest star: Maurice Roëves (Harry Skeats), Sheila Dunn (Hospital Sister), Christopher Benjamin (Panter), Harry Fielder (Detective), Michael Walker (Gerry), Nicholas McArdle (Walter)

First aired: Sep/23/1977
Writer: Bob Baker, Dave Martin
Director: Douglas Camfield
Guest star: Katy Manning (Joanne), Norman Hartley (Customs Officer), Walter Randall (Cetti), Derek Martin (Taxi Driver)

First aired: Sep/30/1977
Writer: Bob Baker, Dave Martin
Guest star: Davyd Harries (Billy Miles), Carl Rigg (Det. Con. Dukes), Andrew McCulloch (Jimbo), Roy Marsden (Mac), Ian MacKenzie (Colin), W. Morgan Sheppard (Barman), Pat Gorman (CID Man)

First aired: Oct/14/1977
Writer: Francis Megahy, Bernie Cooper
Director: Douglas Camfield
Guest star: Ivor Roberts (Bank Manager), Bernard Spear (Tyler), Kenneth Waller (Warehouse Transport Manager), Philip Davis (Ray), Eddie Powell (Doug), David Daker (Mike Ansell), Peter Birrel (Eric Gill), Nick Hobbs (Truck Driver)

First aired: Oct/21/1977
Guest star: T. P. McKenna (Ruby Daniels), James Marcus (Lewis), Alan Lake (Swain), Elizabeth Norman (Nurse), Aimée Delamain (Susan De Veer)

First aired: Oct/28/1977
Guest star: Frank Jarvis (Det. Insp. Charlie Hunt), Leon Eagles (Lazenby), Stephen Greif (Duroy), Carl Rigg (Det. Con. Dukes), Madhav Sharma (Nasrullah), Maurice Bush (Grizzly), Gordon Reid (Stable Lad)

First aired: Nov/04/1977
Guest star: Richard Hampton (Det. Sgt. Burns), James Appleby (Lorry Driver), Philip Stone (David Fleming), Jay Neill (Man in Car), Luan Peters (Denise Musgrave), Kenton Moore (Det. Insp. Donkin), Glynn Edwards (Dyer), Dennis Chinnery (Manning), Billy Murray (Rex Adcock)

First aired: Nov/11/1977
Writer: Bob Baker, Dave Martin
Guest star: Ben Aris (Phillips), Anthony Ainley (Alexander Trist), Leslie French (Harry Meegan), Norman Tipton (Nick), Tommy Wright (Uniformed Sergeant), Freddie Jones (Det. Chief Supt. Neville Clegg), Ian Collier (Sgt. Wilcox)

First aired: Sep/15/1978
Writer: Bob Baker, Dave Martin
Guest star: Tony Osoba (Abbo), Lewis Fiander (Kingham), Jan Francis (Jenny), Ian Thompson (Collins), Glyn Houston (Mostyn Price)

First aired: Sep/22/1978
Guest star: Prunella Scales (Diana Blake), Ronald Lacey (Charlie Walker), Christopher Ryan (Jock), Tom Chadbon (Timothy Aspel)

First aired: Sep/29/1978
Guest star: Antony Carrick (Chief Constable), Brian Glover (Labour Party Agent), John Franklyn-Robbins (Superintendent), Grahame Mallard (Det. Con. Fletcher)

First aired: Oct/13/1978
Guest star: Yvonne Antrobus (Mrs McCorquadale), John Rhys-Davies (Hecht), Doris Hall (Old Lady), Eddie Powell (Carter's Thug), Steve Emerson (Carter's Thug), Derek Martin (Alan Ziegler), Neville Barber (John McCorquadale), Sally Faulkner (Dee), Reginald Jessup (Mr. Allison)

First aired: Oct/20/1978
Writer: Tony Hoare
Director: Gordon Flemyng
Guest star: Grahame Mallard (Det. Con. Fletcher), Donald Sumpter (Heslop), Mark McManus (Wilson), Julian Fox (Brian Aston)

First aired: Oct/27/1978
Guest star: Hilary Ryan (Girlfriend), Peter Hill (Booking Clerk), Esmond Webb (Shop Owner), David Sibley (Mick)

First aired: Nov/03/1978
Guest star: Ken Barker (Screw)

First aired: Nov/10/1978
Writer: Peter J. Hammond
Guest star: Tony Caunter (Brice), Christopher Neame (Bill)