movies/app/Livewire/MoviePage/Tabs/Releases.php

<?php

namespace App\Livewire\MoviePage\Tabs;

use App\Models\Movie;
use App\Models\ReleaseDate;
use Livewire\Component;

class Releases extends Component
{
    public $movie;
    public $releases;

    public function render()
    {
        return view('livewire.movie-page.tabs.releases');
    }

    public function mount()
    {
        $this->movie = Movie::with('releaseDates')->where('id', $this->movie->id)->first();

        $this->releases = $this->movie->releaseDates;
    }
}