After Saving a great of time and Azimuth's sacrifice to keep time to prevent the whole universe be destroyed, Ratchet and Clank are traveling to space as usual but they got a signal message unknown only that hear the name of Krang, and transmission comes from that planet from Earth, they decide to come to investigate and take care that threat in the middle of night and now Ratchet and Clank right now they meet encounter with ninja turtles. And they team up to defeat Krang's other enemies they will fight future they will be able to stop of invasion of Krang and the greatest of enemies the Shredder and powerful allied supervillain from intergalactic to all universe Dc. Nefarious or they will from the powerful opponent they will ever be faced before, find out in 

Ratchet, Clank, and Ninja Turtles (the hero of Galaxy time)