1) the actress who played the mechanic (Kayleigh?) – Jewel Staite – is also in later episodes of Stargate Atlantis
2) in the Battlestar Galactica pilot/film, when Laura Roslin (sp?) is waiting for her cancer diagnosis, the camera pans up to the skylight. There’s a Firefly class ship coming in to land
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3) The anti aircraft weapon Mal uses in the pilot is manufactured by weyland-yutani the morally ambiguous mega corporation from the Aliens films. If you pay close attention when Mal looks though the heads-up-display you can see the logo in the top centre.
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