What is naruto 144?

Episode 144 of Naruto is titled "A New Squad! Two People and a Dog?!" and it originally aired on August 2, 2006. In this episode, Naruto and his team are given a new mission and a new addition to their squad in the form of a dog named Akamaru. The team sets out to escort a carpenter named Tazuna to his hometown, where he plans to build a bridge to improve the village's infrastructure. However, they soon discover that they are being followed by enemy ninjas who are intent on killing Tazuna and stopping the bridge project. The episode ends with Naruto and his team engaging in battle with the enemy ninjas.