▁were ▁direct ▁par od ies ▁of ▁Star ▁Tre k ▁episodes . ▁ ▁Char acters ▁▁ ▁Adam ▁Qu ark ▁( Rich ard ▁Benjamin ) ▁is ▁a ▁Commander ▁who ▁long s ▁for ▁a ▁gl am orous , ▁important ▁assignment ▁and ▁ends ▁up ▁collect ing ▁tr ash ▁instead . ▁He ▁is ▁sk illed ▁and ▁compet ent , ▁but ▁extra ordin arily ▁un l ucky . ▁ ▁Betty ▁I ▁and ▁Betty ▁II ▁( aka ▁The ▁B ett ys ) ▁( Cy b ▁and ▁Pat ric ia ▁Bar n stable ) ▁are ▁the ▁navig ators ▁and ▁pil ots ▁of ▁the ▁ship . ▁They ▁are ▁completely ▁identical , ▁with ▁identical ▁red - hot ▁pass ions ▁for ▁Qu ark . ▁One ▁of ▁them ▁is ▁a ▁clone ▁of ▁the ▁other , ▁but ▁each ▁claims ▁the ▁other ▁one ▁is ▁the ▁clone . ▁They ▁have ▁a ▁t endency ▁to ▁speak ▁in ▁perfect ▁un ison ▁and ▁have ▁exactly ▁the ▁same ▁thought ▁at ▁exactly ▁the ▁same ▁time . ▁Qu ark , ▁when ▁describing ▁his ▁crew , ▁explains ▁that ▁he ▁is ▁in ▁love ▁with ▁Betty , ▁but ▁he ▁is ▁not ▁sure ▁which ▁one . ▁ ▁Gene / Jean ▁( Tim ▁Thom erson ) ▁is ▁a ▁" trans m ute ", ▁a ▁hum ano id ▁being ▁with ▁a ▁complete ▁set ▁of ▁both ▁male ▁and ▁female ▁chrom os om es . ▁He / she ▁serves ▁as ▁the ▁ship ' s ▁engineer . ▁The ▁gender ▁confusion ▁manifest s ▁in ▁a ▁split ▁person ality — when ▁Gene ' s ▁mach o ▁male ▁side ▁is ▁in ▁control , ▁he ▁is ▁g