2015

Year 2015 (MMXV) was a common year of the Gregorian calendar that started on Thursday. This year, Regular Show aired the second half of its sixth season and the first half of the seventh season. 2015 also marked the fifth Halloween special of the series, Terror Tales of the Park IV, which was broadcast on October 29, 2015.

Timeline
January 8: "Sad Sax" premiered.

January 15: "Park Managers Lunch" premiered.

January 22: "Mordecai and Rigby Down Under" premiered.

January 29: "Married and Broke" premiered.

February 5: "I See Turtles" premiered.

February 12: "Format Wars II" premiered.

February 19: "Happy Birthday Song Contest" premiered.

February 26: "Benson's Suit" premiered.

March 5: "Gamers Never Say Die" premiered.

March 12: "2000th Chopper Flight Party" premiered.

March 19: "Party Horse" premiered.

March 26: "Men in Uniform" premiered.

April 2: "Garage Door" premiered.

April 9: "Brilliant Century Duck Crisis Special" premiered.

June 22: "Not Great Double Date" premiered.

June 23: "Death Kwon Do-Livery" premiered.

June 24: "Lunch Break" premiered.

June 25: "Dumped at the Altar" premiered, concluding the sixth season.

June 26: "Dumptown USA" premiered, beginning the seventh season.

June 19: "Catching the Wave" premiered.

June 26: "Gold Watch" premiered.

August 6: "The Parkie Awards" premiered.

August 13: "The Lunch Club" premiered.

August 20: "Local News Legend" premiered.

August 27: "The Dome Experiment" premiered.

September 3: "Birthday Gift" premiered.

September 10: "Cat Videos" premiered.

September 17: "Struck by Lightning" premiered.

October 29: "Terror Tales of the Park V" premiered.

November 9: "The Return of Party Horse" premiered.

November 10: "Sleep Cycle" premiered.

November 11: "Just Friends" premiered.

November 12: "Benson's Pig" premiered.

November 13: "The Eileen Plan" premiered.

November 25: "Regular Show: The Movie" premiered.

November 30: "Hello China" premiered.

December 1: "Crazy Fake Plan" premiered.

December 2: "Win That Prize" premiered.

December 3: "Snow Tubing", the last episode to air in 2015, premiered.