Space: Above and Beyond - Season 1 Episode 18 Pearly
Overview: On a planet overrun with Chigs, the 58th retreat with a tank driver of the US 7th Cavalry upon a tank named "Pearly". They encounter the eccentric Major Cyril MacKendrick, sole survivor of a battalion of the British Coldstream Guards. Wang encounters a Silicate of the same model that previously tortured him.