When a runaway boulder ruins Mazu's invention, she sets out to find what set it in motion; tired of being a little Brachiosaurus, Bill looks for the secret to growing big.

Cast: Jennifer Cameron, Shannon Chan-Kent, Michael Daingerfield, Heather Doerksen, Nicholas Holmes, Benjamin Jacobson, Adam Kirschner, Asia Mattu, Nahanni Mitchell, Dylan Schombing, Áine Sunderland, Brad Swaile, Vincent Tong, Sam Vincent, Joanne Wilson