Not from Mew Mew Power or Tokyo Mew Mew it is from the first movie of Pokemon and that movie has nothing to do with the Mew Mew shows.
Kisshu gets hurt in Episode 50 "A New Mew." In this episode, there is a battle between the Mew Mews and the aliens, leading to Kisshu getting injured.
Episode 42
Episode 27, but the last of Tokyo Mew Mew is 52.
It depends which Mew Mew episode you are talking about. If your talking about the Japanese Tokyo Mew Mew series then no, there are only 51 episodes.
Uh.... what?
Episode 3
Episode 52
Episode 39
He kisses her in Tokyo Mew Mew. I forgot the episode. Sorry!
The last episode of Tokyo Mew Mew originally aired March 29, 2003.
In Episode 45 "The Riddle Dissolves! The Truth about the Blue Knight" of Tokyo Mew Mew.
The name of episode 36 of Tokyo Mew Mew is "Shirogane's Past: the Secret of the Mew Mews' Birth!"