<Table> <Tr> <Th_colspan="2"> Pretty Little Liars </Th> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Genre </Th> <Td> <Ul> <Li> Crime thriller </Li> <Li> Mystery </Li> <Li> Teen drama </Li> </Ul> </Td> </Tr> <Tr> <Th> Based on </Th> <Td> Pretty Little Liars by Sara Shepard </Td> </Tr> <Tr> <Th> Developed by </Th> <Td> I. Marlene King </Td> </Tr> <Tr> <Th> Starring </Th> <Td> <Ul> <Li> Troian Bellisario </Li> <Li> Ashley Benson </Li> <Li> Holly Marie Combs </Li> <Li> Lucy Hale </Li> <Li> Ian Harding </Li> <Li> Bianca Lawson </Li> <Li> Laura Leighton </Li> <Li> Chad Lowe </Li> <Li> Shay Mitchell </Li> <Li> Sasha Pieterse </Li> <Li> Tyler Blackburn </Li> <Li> Janel Parrish </Li> <Li> Andrea Parker </Li> </Ul> </Td> </Tr> <Tr> <Th> Opening theme </Th> <Td> "Secret" by The Pierces </Td> </Tr> <Tr> <Th> Composer (s) </Th> <Td> Michael Suby </Td> </Tr> <Tr> <Th> Country of origin </Th> <Td> United States </Td> </Tr> <Tr> <Th> Original language (s) </Th> <Td> English </Td> </Tr> <Tr> <Th> No. of seasons </Th> <Td> 7 </Td> </Tr> <Tr> <Th> No. of episodes </Th> <Td> 160 (list of episodes) </Td> </Tr> <Tr> <Th_colspan="2"> Production </Th> </Tr> <Tr> <Th> Executive producer (s) </Th> <Td> <Ul> <Li> I. Marlene King </Li> <Li> Charlie Craig </Li> <Li> Oliver Goldstick </Li> <Li> Joseph Dougherty </Li> <Li> Leslie Morgenstein </Li> <Li> Bob Levy </Li> </Ul> </Td> </Tr> <Tr> <Th> Producer (s) </Th> <Td> <Ul> <Li> Lisa Cochran - Neilan </Li> <Li> Maya Goldsmith </Li> <Li> Carol Dunn Trussell </Li> <Li> Bryan M. Holdman </Li> <Li> Hynndie Wali </Li> </Ul> </Td> </Tr> <Tr> <Th> Location (s) </Th> <Td> Los Angeles, California Vancouver, British Columbia (pilot) </Td> </Tr> <Tr> <Th> Cinematography </Th> <Td> Dana Gonzales Larry Reibman Buzz Feitshans IV Geoffrey Haley </Td> </Tr> <Tr> <Th> Camera setup </Th> <Td> Red Two; single - camera </Td> </Tr> <Tr> <Th> Running time </Th> <Td> 41--45 minutes </Td> </Tr> <Tr> <Th> Production company (s) </Th> <Td> <Ul> <Li> Warner Horizon Television </Li> <Li> Alloy Entertainment </Li> <Li> Long Lake Productions </Li> <Li> Russian Hill Productions </Li> </Ul> </Td> </Tr> <Tr> <Th> Distributor </Th> <Td> Warner Bros. Television Distribution </Td> </Tr> <Tr> <Th_colspan="2"> Release </Th> </Tr> <Tr> <Th> Original network </Th> <Td> Freeform </Td> </Tr> <Tr> <Th> Original release </Th> <Td> June 8, 2010 (2010 - 06 - 08)--June 27, 2017 (2017 - 06 - 27) </Td> </Tr> <Tr> <Th_colspan="2"> Chronology </Th> </Tr> <Tr> <Th> Related shows </Th> <Td> Ravenswood and Pretty Dirty Secrets </Td> </Tr> <Tr> <Th_colspan="2"> External links </Th> </Tr> <Tr> <Th> Website </Th> <Td> freeform.go.com/shows/pretty-little-liars </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Pretty Little Liars </Th> </Tr>

How many episodes of pretty little lirs are there