Trent Horn of Catholic Answers has a series of short videos addressing atheist objections to Christianity, to promote his new book Answering Atheism:
"I believe in one less God than you":
"There's no evidence for the existence of God":
"You don't need God to be a good person":
"Evolution explains life without God":
"The universe has always existed":
The Problem of Evil:
You can find more videos from Catholic Answers on their YouTube channel.