'Wahlburgers' Premiere Pits Donnie vs. Paulie ... Again (VIDEO)

There's nothing like a little sibling rivalry—especially between the Wahlberg brothers.

In this exclusive clip from this week's season premiere of Wahlburgers, produced by Emmy-nominated 44 Blue Productions, troublemaker Donnie is up to his old tricks, teasing brother Paul—and convincing him to allow Wahlburger customers to determine who is their mother's favorite.

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And in keeping with the friendly competition, Donnie starts to trash talk his rival—albeit in a very, very high-pitched, helium-enhanced voice.

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Which Wahlberg will take home the honor of being Alma's favorite son?

Wahlburgers, Season Premiere, Wednesday, July 6, 10/9c, A&E.