Question: Chumlee and Corey Harrison star together in what History TV series?

Context paragraphs:
Blue Planet II: Blue Planet II is an upcoming natural history TV series due for release in 2017.  Like its predecessor, "The Blue Planet" (2001), it is narrated and presented by naturalist Sir David Attenborough.

Carsten Norgaard: Carsten Nørgaard (born 1963) is a Danish actor.  Norgaard was born Frederiksberg, Denmark.  He began his career playing the enigmatic Dolphin Man in the 1988 film "The Fruit Machine" (known as "Wonderland" in the USA).  Norgaard also appeared in the Disney film "" (1994).  His most recent appearance is as Rudolph Wegener in "The Man in the High Castle", a 2015 American alternate history TV series.

List of Breaking In episodes: "Breaking In" is an American television series that premiered on Fox on April 6, 2011.  Christian Slater, Odette Annable, and Bret Harrison star in the half-hour comedy about a team of twentysomething geniuses who work at a high tech security firm and are assigned to break into computer security systems.

Corey Harrison: Richard Corey "Big Hoss" Harrison (born April 27, 1983) is an American businessman and reality television personality, known as a cast member of the History TV series "Pawn Stars", which documents his work at the World Famous Gold & Silver Pawn Shop in Las Vegas, which he co-owns with his father, Rick Harrison, and grandfather, Richard Benjamin Harrison.

24 Hours in the Past: 24 Hours in the Past was a BBC One living history TV series first broadcast in 2015.  Six celebrities were immersed in a recreation of impoverished life in Victorian Britain.  Each of the four episodes represented 24 hours living and working in four different occupations.

Jaspreet Singh Kalra: Jaspreet Singh Kalra (born August 30, 1999), also known as the Rubber Man, is an Indian contortionist.  He can rotate his head 180°.  He recently starred in "OMG!  Yeh Mera India" series of History TV 18.  In a survey by "The Strange List" Kalra ranked 5th-most flexible person in the world and 2nd most flexible man in the world.  He is the First Indian and the youngest to enter this list.

Pawn Stars: Pawn Stars is an American reality television series, shown on History, and produced by Leftfield Pictures.  The series is filmed in Las Vegas, Nevada, where it chronicles the daily activities at the World Famous Gold & Silver Pawn Shop, a 24-hour family business opened in 1989 and operated by patriarch Richard "Old Man" Harrison, his son Rick Harrison, Rick's son Corey "Big Hoss" Harrison, and Corey's childhood friend, Austin "Chumlee" Russell.  The series, which became the network's highest rated show and the No. 2 reality show behind "Jersey Shore", debuted on July 26, 2009.

List of Pawn Stars episodes: "Pawn Stars" is an American reality television series that premiered on History on July 19, 2009.  The series is filmed in Las Vegas, Nevada, where it chronicles the activities at the World Famous Gold & Silver Pawn Shop, a 24-hour family business operated by patriarch Richard "Old Man" Harrison, his son Rick Harrison, Rick's son Corey "Big Hoss" Harrison, and Corey's childhood friend, Austin "Chumlee" Russell.

Pawnography: Pawnography is an American game show broadcast by History.  Hosted by comedian Christopher Titus and featuring "Pawn Stars" personalities Rick Harrison, Corey Harrison and Austin "Chumlee" Russell as panelists, the series features contestants answering questions for a chance to win cash and items for sale from the Gold and Silver Pawn Shop (where "Pawn Stars" is taped).  The show premiered July 10, 2014, at 10 p.m. ET, following "Pawn Stars".

Chumlee: Austin Lee Russell (born September 8, 1982), better known by his stage name of Chumlee, is an American actor, businessman and reality television personality, known as a cast member on the History Channel television show "Pawn Stars", which depicts the daily business at the Gold and Silver Pawn Shop in Las Vegas where Russell works as an employee.  Chumlee came to work at the pawn shop five years before filming of the first season, having been a childhood friend of Corey Harrison, whose father, Rick Harrison, and grandfather, Richard Benjamin Harrison, opened the shop in 1989.

Supporting paragraphs: Chumlee Corey Harrison
Answer: Pawn Stars