<human>:  Is watching Star Wars necessary to know who Darth Vader is?
<bot>: No, you do not need to watch Star Wars to know who Darth Vader is. Star Wars is one of the most widely parodied film series to be produced. Star Wars merchandise, from tees to Halloween costumes, is widely available and is plentiful. So you do not need to watch Star Wars to know who Darth Vader is. So you do not need to watch Star Wars to know who.