All links below are free on YouTube

Torchlighters also made a good documentary about Luther titled: Luther - His Life, His Path, His Legacy (1hr30min)

Here's another Documentary about Luther: This Changed Everything (2hr57min)

Here's a Docudrama about Luther: Martin Luther: A Return of Grace (1hr46min)

Here is a (1950) drama about Martin Luther's life: Martin Luthar (1hr46min)

Here is a (2003) drama about Martin Luther's life: Luther (2hr3min)