(Cut to a montage of Alex and Jamie working out at the gym, lifting weights, and doing cardio exercises)

(End screen with a call-to-action, such as a link to their social media or a fitness program)

Alex: "Nutrition is key when it comes to building muscle. We're making sure to eat plenty of protein, complex carbs, and healthy fats."

(Cut to Alex and Jamie in the kitchen, preparing healthy meals)

Alex: "Hey, guys! Welcome back to our channel! We're Alex and Jamie, and we're super excited to share our fitness journey with you."