Sky History Today

How, from the CIA's decades-long pursuit of the perfect truth serum to the US Army's secret PsyOps in Vietnam, mind games have long been at play

The actor reveals how undercover agents endured severe psychological strain while living double lives infiltrating dangerous worlds

The presenter recovers declassified files that reveal Nasa's secret moon nuke plan and the USSR's covered-up space tragedy

The unexpected gadgets relied upon by spies - from modified toys saving informants to hair-based disguises to spy balloons mistaken for UFOs

Rene sinks his teeth into an unassuming unit, Brandi gets to go on a scavenger hunt, while Ivy and his boys get a glimpse of retired life

Kenny stumbles over some odd-looking car parts, while Lisa shields herself from disaster with an unusually expensive locker

Ivy is on the warpath in Lancaster, doing his best to intimidate the other buyers. Brandi begrudgingly lets Bozek decide which locker they buy

Barry utilises a little-known tactic to snatch up a locker, and it ties him up in knots. Brandi shops in the bargain basement but puts on quite a show in the process

The big guns come out in Riverside, but Rene isn't having any of it. Darrell presses his luck with a smaller locker and makes a neat profit

Chance and Soraya slaughter a ram to provide meat for their growing family, while Lauro begins preparation for this year's Iditarod by taking his team on a fall training run

Lisa is forced to stop when the unrelenting road knocks her engine apart, and Todd attempts an ambitious bush fix to muscle his load back onto the trailer

Alice Roberts visits digs in southern England that reveal a previously unknown Roman town, a Tudor ship and evidence of Henry VIII's financial forgery

Alice Roberts visits more archaeological digs, including a spectacular monument older than Stonehenge, a 200-year-old mine trapped in time and a lost medieval friary

Alice Roberts examines a gatehouse riddled with Civil War bullets, a unique Iron Age shield made from bark, and Roman burials with pots where the heads should be

Alice Roberts examines a Dutch ship sunk by the English, a Cornish Roman fort and a 5,000-year-old Neolithic monument

New investigative techniques and historical records are used to re-examine the fates of women accused of witchcraft during 16th and 17th-century witch trials in Essex

Rylan and Alice Roberts investigate the 1582 St Osyth witch hunt, where a petty disagreement over money spiralled into mass hysteria and death

Rylan and Alice Roberts visit Manningtree, where in 1645 Witchfinder General Matthew Hopkins terrorised women with brutal Puritan zeal and torture

Lisa is forced to stop when the unrelenting road knocks her engine apart, and Todd attempts an ambitious bush fix to muscle his load back onto the trailer

Chance and Soraya slaughter a ram to provide meat for their growing family, while Lauro begins preparation for this year's Iditarod by taking his team on a fall training run

The sex lives of Georgian men and women, who not only enjoyed a robust attitude towards sex but positively relished breaking the rules set by their puritan forebears

Unexplained phenomenon in Britain, from Stonehenge to crop circles and UFO sightings - including the famous Rendlesham Forest incident

The suggestion that mythological tales of Norse deities, such as Odin and Thor, were inspired by real encounters with extraterrestrial beings

Lisa is forced to stop when the unrelenting road knocks her engine apart, and Todd attempts an ambitious bush fix to muscle his load back onto the trailer

New investigative techniques and historical records are used to re-examine the fates of women accused of witchcraft during 16th and 17th-century witch trials in Essex

Rylan and Alice Roberts investigate the 1582 St Osyth witch hunt, where a petty disagreement over money spiralled into mass hysteria and death

Rylan and Alice Roberts visit Manningtree, where in 1645 Witchfinder General Matthew Hopkins terrorised women with brutal Puritan zeal and torture