How I Met Your Mother
Episode Name: The Exploding Meatball Sub
Episode Overview: Lily and Barney react badly when Marshall finally quits his job at Goliath National Bank to take a volunteer position at an environmental organization. Meanwhile, Ted and Zoey's opposing positions on the future of the Arcadia come between them.
Episode Number: 20
Episode Season: 6
Episode First Aired: 2011-04-11