Sentence:  The <WSD>webisodes</WSD> made clear: Jammer "betrayed" the Resistance....The <WSD>webisodes</WSD> reveal not only character details, but aspects of the narrative arc of the series as well. In <WSD>Webisode</WSD> Five, Viper pilot and new husband Duck cries when his wife is killed in a Cylon raid on New Caprica. 
Meaning of the word marked with <WSD> tags:  An episode of a television show that is only aired online.