The phrase "disgraceful episode" refers to a situation or event that is shameful, embarrassing, or morally wrong. It is used to describe an incident that is considered inappropriate or unacceptable. Full definition
We believe this whole disgraceful episode wreaks of typical Rockland County political power abuse! (rocklandvoice.com)
That was a disgraceful episode for our club but Arsene decided to stay with the club he loves and try to compete with the unlimited money starting to appear in the game. (justarsenal.com)
Instead Miliband drove the session into the mire, banging on about the «disgraceful episode» of Crosby and using his idiomatic equivalent of the nuclear option - accusing Cameron of using «weasel words». (politics.co.uk)