Daily Show: Jon Stewart Returns to Make Heartfelt 9/11 Plea (Video)

Jon Stewart‘s Daily Show return was no laughing matter.

“Papa” visited with Trevor Noah Monday to campaign for the extension of the James Zadroga 9/11 Health and Compensation Act.

The legislation, which Congress already let expire on October 1, provided funding for healthcare programs aiding first responders of the Sept. 11, 2001 attacks.

Stewart, dumbfounded by the lack of congressional support, voiced his disdain following a largely unsuccessful trip to Washington D.C. in which he and a group of first responders attempted to visit with congressmen to sway their vote:

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After a sit-down with first responder Kenny Specht, who first appeared on Stewart’s Daily Show in 2010 as part of a panel meant to encourage the legislation’s initial enactment, the former host asked viewers to tweet using the hashtag #WorstResponders, urging Congress to pass an extension:

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Have at it, folks: Were you glad that Stewart’s return was tied to a worthy cause? Sound off below.