Battlestar babes' sexy guest spots on CBS' sitcoms!

While we await the Jan. 22 premiere of Syfy's Caprica, we can console ourselves with the sexy guest spots by a couple of Battlestar Galactica alumnae on CBS' comedy lineup.

First up: Tricia Helfer (Number Six herself) shows up on Two and a Half Men (!) as Chelsea's college roommate tonight at 9.

Then Katee Sackhoff (Starbuck) drops her fatigues and lounges in a bathtub on The Big Bang Theory in a fantasy sequence on Nov. 23 at 9:30 p.m.

(Thanks to CinemaBlend for the heads-up.)

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