Coach and Vince go at it this week on Friday Night Lights. Big time. What do the father figure and the quarterback fight over?

The involvement of the latter's actual father in his life.

Elsewhere, though not pictured or mentioned in the following trailer for "Perfect Record," one of the show's most beloved characters returns. He hasn't been seen in awhile, but he was a first season regular. That's the only hint you're getting...

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