movies/app/Models/Episode.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class Episode extends Model
{
    protected $fillable = [
        'air_date',
        'episode_number',
        'episode_type',
        'tmdb_id',
        'name',
        'slug',
        'overview',
        'production_code',
        'runtime',
        'season_number',
        'tmdb_show_id',
        'still_path',
        'vote_average',
        'vote_count',
        'crew',
        'guest_stars',

        'show_id',
        'season_id',
    ];

    protected $casts = [
        'crew' => 'array',
        'guest_stars' => 'array',
    ];
}