keymedia/managemedia/models/tv.py

from django.db import models
from .common import VideoFields,MediaTypes
class Television(VideoFields):
     episodes = models.PositiveIntegerField('Number of Episodes', blank=True)
     seasons = models.PositiveIntegerField('Number of Seasons', blank=True)
     first_aired = models.DateField('First Aired Date', blank=True)
     last_aired = models.DateField('Last Aired Date', blank=True)
     networks = models.ForeignKey('Networks', on_delete=models.CASCADE, blank=True)
     status = models.CharField('Status', blank=True, max_length=256)
     
class Networks(models.Model):
     name = models.CharField('Network', max_length=256)
     
class ShowtoNetworks(models.Model):
     show = models.ForeignKey('Television', on_delete=models.CASCADE)
     network = models.ForeignKey('Networks', on_delete=models.CASCADE)