Does Derek Cheat on Meredith?

She then came to Seattle to put things right with Derek. However, their marriage was soon cut short when Derek cheated on her with Meredith.

Does Derek cheat on Meredith in Season 11?

Well, yes, he did pick her (after he picked Addison but that's neither here nor there). He did choose her. He did love her… and then, he cheated on her. ... In his defense, he did push the doctor who kissed him away and professed to loving his wife.

Does Derek cheat on Meredith after they get married?

Derek begins the series by cheating. He cheats on his wife, Addison, with Meredith. ... When Meredith and Derek are figuring out their relationship in season four, Derek kisses Rose. Finally, Derek lets one of his interns in DC kiss him when he's married to Meredith.