User blog comment:WillTheArthurandBusterFan5050/One Minor Question about Phineas and Ferb (the series)/@comment-25586419-20141211000957/@comment-24669562-20150106170633

I have Netflix now yay me, but unfortunately they only gave us Seasons 1-3. Side-Tracked is on Season 4, which is currently not featured on Netflix. But hopefully will be in the future.