Air Date: Feb 21, 2011

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After Marshall sees a documentary about garbage, he becomes fixated on saving the environment. Meanwhile, Ted runs into Zoey's ex-husband, Read More

After Marshall sees a documentary about garbage, he becomes fixated on saving the environment. Meanwhile, Ted runs into Zoey's ex-husband, The Captain, and Robin forces Barney to admit he has feelings for Nora, the girl who made history as his first Valentine's Day date ever. Read Less