How many movies have Mel Blanc and Tex Avery collaborated on?

They have worked on 4 movies together! Their first movie together was The Looney Tunes Hall of Fame (1991) while their highest rated movie together was Looney Tunes: Spotlight Collection Vol. 5 (2007). They have not worked together since Looney Tunes Platinum Collection: Volume One (2011). They are most known for their animation films together.