Question: Melissa Crystal O'Neill starred in what series created by Joseph Mallozzi and Paul Mullie?

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Lockdown (Stargate SG-1): "Lockdown" is the third episode for season eight of the Canadian-American military science fiction television series "Stargate SG-1".  The episode was written by Joseph Mallozzi and Paul Mullie, and directed by Will Waring.  This was the only episode in the eighth season to receive a syndication rating, but was also one of the lowest rated of the season on the Nielsen household ratings.  The episode got strong reviews from major media publishers worldwide.

Stargate SG-1 (season 9): Season nine of "Stargate SG-1", an American-Canadian television series, began airing on July 15, 2005 on SCI FI.  The ninth season concluded on March 10, 2006, after 20 episodes on the same channel.  The series was originally developed by Brad Wright and Jonathan Glassner, and Brad Wright, Robert C. Cooper, Joseph Mallozzi and Paul Mullie served as executive producers.  The season arc centers on the new threat of the Ori, a race who Daniel Jackson (Michael Shanks) and Vala Mal Doran (Claudia Black) unleash in an unknown galaxy, and who are threatening to prepare for a crusade into the Milky Way galaxy to convert the beings to their religion called Origin.

Stargate SG-1 (season 10): Season ten of "Stargate SG-1", an American-Canadian television series, began airing on July 14, 2006 on Sci Fi Channel (United States).  The final season of the series concluded after 20 episodes on March 13, 2007 on Sky 1, which overtook the Sci-Fi Channel in mid-season.  The series was developed by Brad Wright and Jonathan Glassner.  Brad Wright, Robert C. Cooper, Joseph Mallozzi, and Paul Mullie served as executive producers.  Season ten regular cast members include Ben Browder, Amanda Tapping, Christopher Judge, Beau Bridges, Claudia Black, and Michael Shanks.

Gauntlet (Stargate Universe): "Gauntlet" is the twentieth episode of the second season and series finale of the military science fiction television series "Stargate Universe".  The episode originally aired on May 9, 2011 on Syfy in the United States.  The episode was directed by longtime director and producer of the Stargate franchise Andy Mikita.  It was written by executive producers Joseph Mallozzi and Paul Mullie.

Moebius (Stargate SG-1): "Moebius" is the season finale for season eight of the Canadian-American military science fiction television series "Stargate SG-1".  The episodes were written by Joseph Mallozzi, Paul Mullie, Executive producers Brad Wright and Robert C. Cooper, the episodes were directed by Peter DeLuise.  The episodes were the strongest episodes in the eighth season on the Nielsen household ratings with fellow "Stargate SG-1" episode "New Order".  The episode got strong reviews from major media publishers worldwide.

Dark Matter (TV series): Dark Matter is a Canadian science fiction series created by Joseph Mallozzi and Paul Mullie, based on their comic book of the same name and developed by Prodigy Pictures in association with Space channel.  An order for 13 episodes was placed for the first season of the series, which premiered on June 12, 2015 on both Space and Syfy.

Melissa O'Neil: Melissa Crystal O'Neil (born July 12, 1988) is a Canadian singer and musical theatre actress who was the winner of the third season of "Canadian Idol" in 2005.  She was the first Canadian female winner.  She is also an actress, known for her role as Two/Portia Lin on "Dark Matter".

The Siege (Stargate Atlantis): "The Siege" is the season finale for season one and season premiere for season two of the military science fiction television series "Stargate Atlantis", and the nineteenth, twentieth and twenty-first episode of the series overall.  The episodes was written by executive producers Joseph Mallozzi and Paul Mullie (part two) and Martin Gero (part one and three), the episodes were directed by Martin Wood.  The episodes were one of the series strongest in season 1 on Nielsen ratings and part three gathered the strongest rating with "Instinct" in season 2.  The episode got strong reviews from major media publishers worldwide.

Dark Matter (comics): Dark Matter is a comic book series created by writers Joseph Mallozzi and Paul Mullie.  The science-fiction story follows six individuals who wake up in a spacecraft with no memory of their past.  The concept was originally intended for a television series, but was published through Dark Horse Comics with art by Garry Brown.  On October 15, 2014, Syfy announced they had picked up a 13-episode first season of a "Dark Matter" TV series, which premiered on June 12, 2015.

List of Dark Matter episodes: "Dark Matter" is a Canadian science fiction series created by Joseph Mallozzi and Paul Mullie, based on their comic book of the same name and developed by Prodigy Pictures in association with Space channel.  An order for 13 episodes was placed for the first season of the series, which premiered on June 12, 2015.

Supporting paragraphs: Melissa O'Neil Dark Matter (TV series)
Answer: Dark Matter