It's Pony

Annie and Pony worry Gerry will never get together with Clara, so they take matters into their own hands; the fishmonger believes there's a monster in the lake, but all his pictures look oddly like Pony.

Annie takes up bowling to impress a boy, and Pony gets fingers; when Pony thinks the subway ride to an escape room is the escape room, Annie needs to stop him from causing a transportation disaster.

Pony tries to rid Annie of an unhealthy obsession.

When Annie has a bad day, Pony comforts her with his advice; Annie and Pony switch identities in a VR game.

Annie and friends plan a heist to retrieve Pony from the rich kid who thinks he owns him now; after Gerry adopts a pet rock and starts having Annie and Pony-style adventures, they worry that they've lost their special sauce.