I love the design. The transitions and micro-interactions are just enough to add some playfulness but not distract.

Where are you pulling the subtitle data from?

Great reference to The Hudsucker Proxy! I'm always impressed to see the types of movie or pop culture you work in. Another great onboarding.

Is it just me or does anyone else cheer when he releases a new onboarding experience?

Do your provide the source code for all your examples?

Multiple images at the same spot are hard to click. Allow me to select one then cycle through all the images from that spot (or maybe within a certain range) by clicking the left/right arrow.

Balsamiq for the quick and dirty stuff. Sketch for when it needs a bit more style.

Nice design. Would you think about offering the project or module code for download so others can learn from it?