Episode 126(in shugo chara party, episode 24)
"Believe! In My Pure Heart!"
"Shinjite! Atashi no Pure Heart!" (信じて! あたしのピュアハート!)
yes Ikuto does come back in episode 24(at the end) and all of 25!
Ikuto kisses Amu in Episode 25 of Shugo Chara titled "Sparkle With All Your Might!"
episode 53
No. He only messages to Amu. he does that and he comes back at the very end of shugo chara party 24 and he'll be in shugo chara party 25
Ikuto gets sick in Episode 74 of Shugo Chara titled "The Sick Cool and Smart Character Transformation!" where he collapses due to overexertion.
Ikuto comes back in the Shugo Chara Encore
Ikuto is from the manga/anime Shugo Chara and Shugo Chara Encore
Ikuto apperas ad death rebel in episode 76
Ikuto transformed first in episode 13.Hope that helped!
Shugo Chara and Shugo Chara encore
Its very unlikly seeing as they ended the series... Luckliy Ikuto came back for the final episode! :)
In Shugo Chara Party there is about 25 episodes.