Find out why Christina is moving on. Going down with a flight. On the very last episode of Flip or Flop, Christina Haack and Tarek El Moussa can't seem to agree on what to do with a rundown pool.

In the 'Flip or Flop' series finale, it was revealed that Christina Haack was behind the decision to end the HGTV show. ET's exclusive sneak peek at 'Tarek and Heather: The Big I Do' on HGTV ...