These are the episodes from iCarly from season 2.
I took the episodenumbers from imdb.com because they got mixed up with each other.



Season 2, Episode 12: iWant My Website Back
Original Air Date—21 March 2009
 Due to a mishap with Spencer's credit card, Spencer inadvertently orders 200 pillows, and Carly loses access to her domain name, only to find that it's now owned by obsessed iCarly fan Mandy Valdez (see "iAm Your Biggest Fan," episode #1.13.). To make matters worse, after struggling to negotiate the return of the rights to her website, Mandy ends up being tricked into signing it over to Carly's nemesis, Nevel Papperman. Now Carly and her friends must do all they can to take it back from Nevel, who's willing to give it back to her... in exchange for another kiss. 


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Season 2, Episode 13: iMake Sam Girlier
Original Air Date—11 April 2009
 Carly gives Sam a makeover when she develops a crush on a boy at school who only likes girly-girls. Somewhat similarly, Spencer thinks a girl only likes him because of a tuxedo. 


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Season 2, Episode 14: iGo Nuclear
Original Air Date—22 April 2009
 Carly and her peers desperately try to pass a class assignment given by an eco-obsessed science teacher. 


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Season 2, Episode 15: iDate a Bad Boy
Original Air Date—9 May 2009
 Carly and Spencer become upset when their new neighbor Griffin steals the motorcycle that Carly bought for Spencer. Spencer lets Griffin off the hook, but Carly becomes upset. However, when Spencer later goes out to get smoothies, he returns to find Carly and Griffin kissing on the couch. Spencer becomes furious, forces Griffin to leave, and forbids Carly to see him, though he eventually allows them to resume dating. Meanwhile, Sam pays Freddie $50 to make a website and has a lawyer write them a contract. 


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Season 2, Episode 16: iReunite with Missy
Original Air Date—16 May 2009
 When Carly's long-lost best friend Missy returns to Seattle, Sam fears that Missy is trying to replace her. Meanwhile, Spencer finds himself trapped in a basement. 


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Season 2, Episode 17: iTake on Dingo
Original Air Date—13 June 2009
 Carly is convinced that a show in Hollywood is stealing her ideas, so she and her friends take a trip to Los Angeles in order to stop the cast and crew. 


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Season 2, Episode 18: iMust Have Locker 239
Original Air Date—27 June 2009
 Sam and Freddie are forced to share a locker, while Carly seeks art lessons from Spencer.





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Season 2, Episode 19: iTwins
Original Air Date—11 July 2009
 Surprise, surprise! Sam has a twin sister named Melanie. Even more of a surprise, she's much girlier than Sam and quite fond of Freddie, who suspects that she's actually Sam in disguise. In the meantime, Carly offers to tutor a boy named Chuck, who has been a sworn enemy of Spencer, who struggles to convince her that he's a little brat. 


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Season 2, Episode 20: iFight Shelby Marx
Original Air Date—8 August 2009
 Carly and martial-arts champ Shelby Marx (Zoey 101's and Spectacular!'s Victoria Justice) agree to have an exhibition fight for charity after Carly jokingly challenges her to a match. Unfortunately, Carly accidentally falls on Shelby's grandmother during a press conference. Thinking Shelby wants revenge, Carly backs out of the fight, only to be ridiculed as a coward. Carly visits Shelby and apologizes, and the fight is back on. However, Nevel Papperman alters a clip of the press conference to make it look like Carly intentionally tackled Shelby's grandma to dupe Shelby into fighting Carly. Shelby, furious, attacks Carly for real during the match, Carly then holds Shelby's leg for the rest of the "fight". 



Enjoy!