Season
Season 5 Episode
- Season 4 The Acorn Syndrome
- Season 4 Wild Justice
- Season 4 Fugitive
- Season 4 Involvement
- Season 4 Need To Know
- Season 4 Take Away
- Season 4 Black Out
- Season 4 Blood Sports
- Season 4 Slush Fund
- Season 4 The Gun
- Season 4 Hijack
- Season 4 Mixed Doubles
- Season 4 Weekend in the Country
- Season 4 Kickback
- Season 4 It's Only a Beautiful Picture...
The Professionals - Season 4 Episode 1 The Acorn Syndrome
7.40 60 minutes The daughter of a British Government engineer who is working on a defence protect is kidnapped, and the only way she will be safely returned is if he agrees to betray secrets to enemy agents.
