When Zhang Nan was a child, his mother was imprisoned because she had fought with the villagers over irrigation water. From then on, Zhang Nan was determined to leave and take root in the big city. Just when he has graduated with a master's degree, his mother was diagnosed with cancer. Zhang Nan is forced to abandon a promising future in Shanghai and returned to his native village of Baiguo to serve as the team leader. Zhang Nan takes on three years of poverty alleviation work. Through his journey, he manages to untangle the knots from his childhood and also comes to understand the true meaning of his work. Along with his girlfriend, they invest their time and effort to focus on helping the countryside.

Andrew Garfield and Florence Pugh lead acting class. Jordan Chiles fills in for the gym teacher. LISA forms her own dance group. They’re the best in the world at what they do—but teaching elementary school kids how to do it? Harder than it looks. And funny and adorable… but thank goodness the real teacher’s back in charge tomorrow.

Hosted by Julian Shapiro-Barnum (Recess Therapy), Celebrity Substitute asks our favorite stars to swap limos for lesson plans and spend a day with an amazing class of public school kids. And, thanks to Amazon, every episode has a few other surprises in store…

Most of all, Celebrity Substitute reminds us to give teachers their flowers. Because substituting for a day is one thing. The ones who do it full time? Absolute heroes. Celebrity Substitute is the ultimate feel-good series that celebrates the importance of education and the power of connection—whether you’re selling out Madison Square Garden or singing backup in your first grade choir.