'One Tree Hill' to finally wrap April 4 with two-hour special
Secret Circle.” “Gossip Girl” and “Hart of Dixie” will sign off on May 14 and “90210″ will end its season a night later. Finishing up after those skeins conclude are “Nikita” and “Supernatural” on May 18. Finally, the 18th cycle of “America’s Next Top Model” wraps May 30. “One Tree Hill,” a nine-year CW vet, closes out with a two-hour special. The finale will include interviews with the show’s stars as they look back at the series’ most memorable moments. Midseason skein “The L.A. Complex” looks at six aspiring out-of-town performers who move to Los Angeles and are living together in an apartment-style motel.