In nearly all TMNT media, Leonardo wields two ninjato (a medium-sized sword with a straight blade), which are often incorrectly called katana (longer sword with a curved blade). In this show, Leo wields only one sword which hasn't happened since the live-action TV series Ninja Turtles: The Next Mutation
(1997). See more
In order to make sensei happy, you must take one step to the left... because you'e blocking my TV! I can't watch my show!