Stargate Universe Season 2 Episode 5 (Stargate Universe s02e05) with title “Cloverdale” aired on Tuesday, October 26th 2010 at 09:00 pm via Syfy Network.
Here is summary for Stargate Universe Season 2 Episode 5 :

While surveying a new planet, Lt. Scott becomes infected by a plant-like creature. As he suffers hallucinations and falls in and out of consciousness, Tamara seeks a way to treat him.