First segment was generated by Kling, second segment was generated by WAN. The first/last frames were made by using the below base image and doing a fuck ton of ControlNet shenanigans with Pony Realism 2.2.

Base image parameters
Prompt: score9, score8up, score7up, score6up,
mlp, unguligrade anthro pony, furtuft, hooves,
Maud Pie, natural breasts,
Negative prompt: soles, feet, toes ,
Size: 720x1280,
Seed: 2117877184,
Model: PhotorealponyXLTAexclfp16,
Steps: 20,
CFG scale: 6,
Sampler: DPM++ 2S a Karras,
KSampler: dpmpp2sancestral,
Schedule: karras,
Guidance: 3.5,
VAE: sdxl_vae.safetensors,
Denoising strength: 0,
Clip skip: 2