Nickelodeon makes sure to honor Earth Day each year, and 2010 is no different. Last night, the network aired a special SpongeBob SquarePants episode called SpongeBob’s Last Stand to help get the message across. But if you missed it, no worries! The environment-focused 30-minute special will be replayed on Saturday, April 24th at 9am, and again on Sunday, April 25th at 11am. Additionally, the nature-themed SpongeBob’s Last Stand is currently available on DVD from Nickelodeon Home Entertainment and Paramount Home Entertainment. The production duo has released other green minded specials, including Nick Jr. Favorites: Go Green, which includesenvironmental-themed episodes of Dora the Explorer, Go, Diego, Go!, The Wonder Pets!, Yo Gabba Gabba!, Blue’s Clues and Ni Hao, Kai-lan in eco-friendly packaging. How’s that for Earth! Have you seen the first airing of Last Stand? If so, what’d you think?