2021 in
the Holby universe • releases
- 2 January - The first episode of Casualty's 35th series was first broadcast on BBC One.
- 5 January - The 32nd episode of Holby City's 22nd series was first broadcast on BBC One.
- 9 January - The second episode of Casualty's 35th series was first broadcast on BBC One.
- 12 January - The 33rd episode of Holby City's 22nd series was first broadcast on BBC One.
- 16 January - The third episode of Casualty's 35th series was first broadcast on BBC One.
- 19 January - The 34th episode of Holby City's 22nd series was first broadcast on BBC One.
- 23 January - The fourth episode of Casualty's 35th series was first broadcast on BBC One.
- 26 January - The 35th episode of Holby City's 22nd series was first broadcast on BBC One.
- 30 January - The fifth episode of Casualty's 35th series was first broadcast on BBC One.
- 2 February - The 36th episode of Holby City's 22nd series was first broadcast on BBC One.
- 6 February - The sixth episode of Casualty's 35th series was first broadcast on BBC One.
- 10 February - The 37th episode of Holby City's 22nd series was first broadcast on BBC One.
- 13 February - The seventh episode of Casualty's 35th series was first broadcast on BBC One.
- 16 February - The 38th episode of Holby City's 22nd series was first broadcast on BBC One.
- 20 February - The eighth episode of Casualty's 35th series was first broadcast on BBC One.
- 23 February - The 39th episode of Holby City's 22nd series was first broadcast on BBC One.
- 27 February - The ninth episode of Casualty's 35th series was first broadcast on BBC One.
- 2 March - The 40th episode of Holby City's 22nd series was first broadcast on BBC One.
- 6 March - The 10th episode of Casualty's 35th series was first broadcast on BBC One.
- 9 March - The 41st episode of Holby City's 22nd series was first broadcast on BBC One.
- 13 March - The 11th episode of Casualty's 35th series was first broadcast on BBC One.
- 16 March - The 42nd episode of Holby City's 22nd series was first broadcast on BBC One.
- 23 March - The 43rd episode of Holby City's 22nd series was first broadcast on BBC One.
- 27 March - The 12th episode of Casualty's 35th series was first broadcast on BBC One.
- 30 March - The 44th episode of Holby City's 22nd series was first broadcast on BBC One.
- 3 April - The 13th episode of Casualty's 35th series was first broadcast on BBC One.
- 6 April - The first episode of Holby City's 23rd series was first broadcast on BBC One.
- 10 April - The 14th episode of Casualty's 35th series was first broadcast on BBC One.
- 13 April - The second episode of Holby City's 23rd series was first broadcast on BBC One.
- 17 April - The 15th episode of Casualty's 35th series was first broadcast on BBC One.
- 20 April - The third episode of Holby City's 23rd series was first broadcast on BBC One.
- 24 April - The 16th episode of Casualty's 35th series was first broadcast on BBC One.
- 27 April - The fourth episode of Holby City's 23rd series was first broadcast on BBC One.
- 1 May - The 17th episode of Casualty's 35th series was first broadcast on BBC One.
- 4 May - The fifth episode of Holby City's 23rd series was first broadcast on BBC One.
- 8 May - The 18th episode of Casualty's 35th series was first broadcast on BBC One.
- 8 May - The 19th episode of Casualty's 35th series was first broadcast on BBC One.
- 11 May - The sixth episode of Holby City's 23rd series was first broadcast on BBC One.
- 15 May - The 20th episode of Casualty's 35th series was first broadcast on BBC One.
- 18 May - The seventh episode of Holby City's 23rd series was first broadcast on BBC One.
- 25 May - The eighth episode of Holby City's 23rd series was first broadcast on BBC One.
- 29 May - The 21st episode of Casualty's 35th series was first broadcast on BBC One.
- 29 May - The 22nd episode of Casualty's 35th series was first broadcast on BBC One.
- 1 June - The ninth episode of Holby City's 23rd series was first broadcast on BBC One.
- 5 June - The 23rd episode of Casualty's 35th series was first broadcast on BBC One.
- 5 June - The 24th episode of Casualty's 35th series was first broadcast on BBC One.
- 8 June - The 10th episode of Holby City's 23rd series was first broadcast on BBC One.
- 12 June - The 25th episode of Casualty's 35th series was first broadcast on BBC One.
- 15 June - The 11th episode of Holby City's 23rd series was first broadcast on BBC One.
- 22 June - The 12th episode of Holby City's 23rd series was first broadcast on BBC One.
- 28 June - The 13th episode of Holby City's 23rd series was first broadcast on BBC One.
- 7 July - The 14th episode of Holby City's 23rd series was first broadcast on BBC One.
- 10 July - The 26th episode of Casualty's 35th series was first broadcast on BBC One.
- 13 July - The 15th episode of Holby City's 23rd series was first broadcast on BBC One.
- 17 July - The 27th episode of Casualty's 35th series was first broadcast on BBC One.
- 20 July - The 16th episode of Holby City's 23rd series was first broadcast on BBC One.
- 24 July - The 28th episode of Casualty's 35th series was first broadcast on BBC One.
- 27 July - The 17th episode of Holby City's 23rd series was first broadcast on BBC One.
- 31 July - The 29th episode of Casualty's 35th series was first broadcast on BBC One.
- 3 August - The 18th episode of Holby City's 23rd series was first broadcast on BBC One.
- 7 August - The 30th episode of Casualty's 35th series was first broadcast on BBC One.
- 10 August - The 19th episode of Holby City's 23rd series was first broadcast on BBC One.
- 14 August - "Begin Again" was first broadcast on BBC One.
- 17 August - The 20th episode of Holby City's 23rd series was first broadcast on BBC One.
- 21 August - "Same Old, Same Old" was first broadcast on BBC One.
- 24 August - The 21st episode of Holby City's 23rd series was first broadcast on BBC One.
- 28 August - "Short Fuses" was first broadcast on BBC One.
- 31 August - The 22nd episode of Holby City's 23rd series was first broadcast on BBC One.
- 4 September - "No Harm Done" was first broadcast on BBC One.
- 7 September - The 23rd episode of Holby City's 23rd series was first broadcast on BBC One.
- 14 September - The 24th episode of Holby City's 23rd series was first broadcast on BBC One.
- 18 September - "The Road Less Travelled" was first broadcast on BBC One.
- 21 September - The 25th episode of Holby City's 23rd series was first broadcast on BBC One.
- 28 September - The 26th episode of Holby City's 23rd series was first broadcast on BBC One.
- 2 October - "Warning Signs" was first broadcast on BBC One.
- 5 October - The 27th episode of Holby City's 23rd series was first broadcast on BBC One.
- 9 October - "Broken" was first broadcast on BBC One.
- 12 October - The 28th episode of Holby City's 23rd series was first broadcast on BBC One.
- 19 October - The 29th episode of Holby City's 23rd series was first broadcast on BBC One.
- 23 October - "Is the Patient Breathing?" was first broadcast on BBC One.
- 26 October - The 30th episode of Holby City's 23rd series was first broadcast on BBC One.
- 30 October - "Two Tribes" was first broadcast on BBC One.
- 2 November - The 31st episode of Holby City's 23rd series was first broadcast on BBC One.
- 6 November - "Blinded" was first broadcast on BBC One.
- 6 November - "Two Minutes" was first broadcast on BBC One.
- 9 November - The 32nd episode of Holby City's 23rd series was first broadcast on BBC One.
- 16 November - The 33rd episode of Holby City's 23rd series was first broadcast on BBC One.
- 20 November - "Gasping for Air" was first broadcast on BBC One.
- 23 November - The 34th episode of Holby City's 23rd series was first broadcast on BBC One.
- 27 November - "Retribution" was first broadcast on BBC One.
- 30 November - The 35th episode of Holby City's 23rd series was first broadcast on BBC One.
- 4 December - "Remember Me - Part One" was first broadcast on BBC One.
- 7 December - The 36th episode of Holby City's 23rd series was first broadcast on BBC One.
- 11 December - "Remember Me - Part Two" was first broadcast on BBC One.
- 14 December - The 37th episode of Holby City's 23rd series was first broadcast on BBC One.