2013

Year 2013 (MMXIII) was a common year of the Gregorian calendar that started on Tuesday. This year, Regular Show aired the second half of its fourth season and the first half of the fifth season. 2013 also marked the third Halloween special of the series, Terror Tales of the Park III, which was broadcast on October 21, 2015 and it's Thanksgiving special of the series, The Thanksgiving Special, which was broadcast on November 25, 2013.

Timeline
January 7: "TGI Tuesday" premiered.

January 14: "Firework Run" premiered.

January 21: "The Longest Weekend" premiered.

January 28: "Sandwich of Death" premiered.

February 4: "Ace Balthazar Lives" premiered.

February 11: "Do or Diaper" premiered

February 18: "Quips" premiered

February 25: "Caveman" premiered.

March 4: "That's My Television" premiered.

March 25: "A Bunch of Full Grown Geese" premiered.

April 1: "Fool Me Twice" premiered.

April 8: "Limousine Lunchtime" premiered.

April 15: "Picking Up Margaret" premiered.

April 22: "K.I.L.I.T. Radio" premiered.

May 6: "Carter and Briggs" premiered.

May 13: "Skips' Stress" premiered.

May 20: "Cool Cubed" premiered.

May 27: "Trailer Trashed" premiered.

June 10: "Meteor Moves" premiered.

June 17: "Family BBQ" premiered.

June 24: "The Last Laserdisc Player" premiered.

July 1: "Country Club" premiered.

July 15: "Blind Trust"and "World's Best Boss" premiered.

July 22: "Last Meal" premiered.

July 29: "Sleep Fighter" premiered.

August 5: "Party Re-Pete" premiered.

August 12: "Steak Me Amadeus" premiered, concluding the fourth season.

August 20: "Fuzzy Dice" premiered.

August 27: "Sugar Rush" premiered.

September 2: "Laundry Woes" and "Silver Dude" premiered, beginning the fifth season.

September 9: "Benson's Car" premiered.

September 16: "Every Meat Burritos" premiered.

September 23: "Wall Buddy" premiered.

September 30: "A Skips in Time" premiered.

October 14: "Survival Skills" premiered.

October 21: "Terror Tales of the Park III" premiered.

November 4: "Tants" premiered.

November 11: "Bank Shot" premiered.

November 18: "Power Tower" premiered.

November 25: "The Thanksgiving Special" premiered.

December 2: "The Heart of a Stuntman" premiered.

December 31: "New Year's Kiss", the last episode to air in 2013, premiered.