According to The Futon Critic, Part One of Samantha Ferris' (Ellen Harvelle) Impact will air on ABC on Sunday, June 21 (9:00-11:00 p.m.), and Part Two on Sunday, June 28 (9:00-11:00 p.m.).
Synopsis: During a meteor shower, a huge meteor smashes into the moon, changing its properties and orbit. Scientists announce that the moon will crash into Earth and all life will perish. An international mission of astronauts is sent into space to reverse the moon's magnetic effects and restore its original orbit. The world prays as the survival of mankind hangs in the balance. about humanity's efforts to survive after the moon is hit by a meteor and enters into a collision course with Earth.
Impact stars Natasha Henstridge, James Cromwell, David James Elliott, Benjamin Sadler and Florentine Lahme. Mike Rohl (Supernatural director) directed from a script by Michael Vickerman.
Source: Muse Entertainment Enterprises.