In an abandoned spacecraft, at Copeton Dam, a probe droid activates to search for the missing Roboquad occupants. Following a trail of residual radiation from the Roboquad's power supply, the droid finds itself at Gilgai, where it encounters a time vortex!

Episode 19 of The Time Tunnel and the Daleks. Created using  Vue 6 and 9, Particle Illusion and FXHome software.

What is a Gilgai? Click here

Where is Gilgai?

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Episode 20

The Roboquad's probe droid surveying the Gilgai sign!