This looks fine to us. However, it’s important that the animation depicting the sound waves is legible to kids and consistent. Whatever stylized treatment the animators give the cave, the handling of the echolocation is key to kids’ understanding of the interstitial. 1. Ext. forest -- summer Day Elinor and Olive are on a walk through the forest with Mz. Mole. As they pass a rocky slope, five small birds suddenly fly past and into a cave where they disappear into the darkness. The kids are amazed. ELINOR Whoa! Wh y did those birds go into that cave ? Mz. Mole They’re flying home. They live in this cave. Perspective from inside the cave looking out at Elinor, Olive and Mz. Mole as they peer in. oliVE It’s so dark in there . How do they know where to fly ? ELINOR Hello! Elinor’s voice <SFX: ECHOES HELLO> around the cave. MZ. MOLE Some animals are really good at getting around in the dark. Instead of using their eyes, they can use their ears. I'll show you! Mz. Mole takes out her storybook and opens the front cover. CLOSE ON the storybook which shows a small bird called a swiftlet flying through the air. 2. THE STORYBOOK The storybook comes to life in a pop-up book style of animation and the swiftlet flies through the air <SFX: CHIRPING>. MZ. MOLE (v.O.) This little bird is a swiftlet . It is a very special bird that builds its nest inside a dark cave . Looking into the mouth of a dark cave, the swiftlet flies in . Then from a profile point of view, the swiftlet flies through the cave tunnels deeper into the dark. The scene suddenly becomes monochromatic or dark blue to indicate the darkness of the cave. The bird flies along and appears to be on a collision course with a low hanging part of the cave ceiling. Olive (V.O.) Watch out, little bird! The swiftlet suddenly swoops down and flies under the low hanging rocky projections from the ceiling and then up onto a nest stuck to the side of the cave wall. Close on the bird sitting on the nest. Elinor (V.O.) How does the swiftlet know where it’s going? MZ. MOLE (V.O.) Because it’s dark, a swiftlet doesn’t use its eyes to see. It uses its ears to find its way. The swiftlet flies out of the nest and around the cave. As it flies, it <SFX: CHIRPS REPEATEDLY> and navigates around the rocky walls and ceilings, twists and turns of the cave. MZ. MOLE (V.O.) As it flies, it chirps and listens for the sound bouncing off the walls of the cave. That's called an echo. The echo tells the swiftlet where the walls are, and that's how it gets around. Simple animation illustrates the sound of the bird’s chirps bouncing back to the bird as it flies. The swiftlet makes its way back to its nest where it perches once again. Elinor Wow, it HEARS where it's going! A pair of little baby swiftlets pop their heads up with their beaks open. oliVE (v.O.) Look! It has babies! MZ. MOLE (V.O.) And soon these baby swiftlets will learn how to use their ears to safely fly in and out of this dark cave. 3. EXT. FOREST -- SUMMEr Day The birds fly back out of the cave past Mz. Mole, Elinor and Olive. eliNOR and olive ( together ) Swiftlets are cool! The kids’ voices <SFX: ECHOES Swiftlets are cool... Swiftlets are cool...> around the cave. End

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ELINOR Wonders why EWW 130 interstitial: Mz. Mole - Bird sonar Written by ROBERT SAMS FOLLOWS: Echolocation CURRICULUM: Bats are not the only flying animal to use sonar. A small bird called a swiftlet uses echolocation to safely navigate around dark caverns. LS2: Animals have different parts that help them grow and survive. SECOND DRAFT: February 18, 2020 SENOR TAPIR Kids ELINOR SALLY BEAVER Ari Mz. Mole Olive (V.O.) (O.S.) (O.C.) (CONT'D) (SUBTITLE) (b INT EXT I/E 1 FOLLOWS: "THE AMAZING EXPANDABLE CLUBHOUSE" EXT PARK -- DAY DAY NIGHT AFTERNOON MORNING EVENING LATER MOMENTS LATER CONTINUOUS THE NEXT DAY CUT TO: FADE IN: FADE OUT. FADE TO: DISSOLVE TO: BACK TO: MATCH CUT TO: JUMP CUT TO: FADE TO BLACK.