- Director:Chris McMaster
- Writer:Trevor Preston
- Cast:Tom Owen,Mary Maude,Gregory Phillips
Buchan discovers the power of Von Gelb's mind control device.
|Episode complete credited cast:|
|Tom Owen||-||Bill Cowan|
|Mary Maude||-||Terry Driver|
|Gregory Phillips||-||Chris Kelly|
|Ronald Leigh-Hunt||-||Colonel Buchan|
|Geoffrey Toone||-||Von Gelb|
|Ronald Adam||-||Professor Lowrie|
|Christopher Matthews||-||Dr. Robert Duncan (as Chris Matthews)|
Freewheelers The Big Freeze: Part 2: Valkyrie (1968–1973)
"Valkyrie" is the name of Von Gelb's boat, taken from Richard Wagner's "Ring Cycle" which Von Gelb is fond of playing.