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Currently you are able to watch "It's Always Sunny in Philadelphia - Season 1" streaming on Disney Plus.
The first season of It's Always Sunny in Philadelphia, premiered on FX on August 4, 2005. The season contains 7 episodes and concluded airing on September 15, 2005.
The JustWatch Daily Streaming Charts are calculated by user activity within the last 24 hours. This includes clicking on a streaming offer, adding a title to a watchlist, and marking a title as 'seen'. This includes data from ~1.3 million movie & TV show fans per day.
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