"To see through to the end" means to complete or finish something, even in challenging or difficult circumstances, without giving up or quitting. Full definition
This is his squad and he should be given the opportunity to see them through to the end of the season, or until our season is over, whichever comes first. (throughitalltogether.sbnation.com)
There are numerous ways you can help kick - start the process and ultimately see it through to the end. (bloggingauthors.com)
I want my story to be perfectly preserved, and I want to see it through to the end before I go back and mess around with different decisions. (riddlethos.com)