Was it Gareth Bale's overhead kick? Gary Neville getting excited about Lionel Messi? Or maybe just Divock Origi doing Divock Origi things?
Wednesday night was the last Champions League action of the decade and to mark it we asked BBC Sport readers to tell us what their most memorable moments of the tensies - or whatever we call the 2010-2019 period - were.
Here are some of your responses.