A record nine of Round One's 12 matches will be televised live. Most of which will be shown on Sky Sports with RTE due to show the Leinster v Bath clash.
All 24 clubs competing in this year's tournament will be featured in live TV matches by Round Three.
ERC Chief Executive Derek McGrath commented: "This is unprecedented television coverage for the tournament - our broadcast partners will bring more and more of the colour, passion and excitement from across Europe's premier club rugby tournament to the developing fan base.
"The previous highest number of matches on a Pool weekend was eight - and this clearly demonstrates the enhanced stature and high esteem in which the Heineken Cup is held.
"More than 12 hours of live television action over a weekend represents fantastic exposure for all our stakeholders - the member Unions and participating clubs, our partners and rugby supporters across Europe."
The Round Four fixture details will be released at the conclusion of Round Two.
HEINEKEN CUP 2005/06: ROUND 1-3 FIXTURES: (All kick-off times local time)
ROUND ONE:Friday, October 21:Pool 1: Sale Sharks v Munster, Edgeley Park, 7.30pm (Sky Sports)Pool 4: Ulster v Benetton Treviso, Ravenhill, 7.30pmPool 5: Bourgoin v Glasgow Warriors, tbc, 8.30pm (Sport+/Sky Sports*)
Saturday October 22:Pool 1: Castres Olympique v Newport Gwent Dragons, Stade Pierre-Antoine, 6.15pm, (Sport+/S4C**)Pool 2: Cardiff Blues v Leeds Tykes, tbc, 1.00pm (Sky Sports/S4C**)Rugby Calvisano v Perpignan, tbc, 2.00pm (Sky Italia/Sport+)Pool 3: Leicester Tigers v ASM Clermont Auvergne, Welford Road, 3.00pmPool 5: Leinster v Bath Rugby, Lansdowne Road, 5.15pm (RTE/Sky Sports)Pool 6: Toulouse v Llanelli Scarlets, Stade Ernest Wallon, 4.00pm (FR2/Sky Sports/S4C**)
Sunday, October 23:Pool 3: Ospreys v Stade Frangais, Morfa Stadium, 3.00pm (Sky Sports/Sport+/S4C**)Pool 4: Saracens v Biarritz Olympique, Vicarage Road, 3.00pm (S4C**)Pool 6: Edinburgh Gunners v London Wasps, Murrayfield, 1.00pm (Sky Sports)
ROUND TWO:Friday, October 28:Pool 1: Newport Gwent Dragons v Sale Sharks, Rodney Parade, 7.30pm (Sky Sports/S4C**) Pool 2: Leeds Tykes v Rugby Calvisano, Headingley Stadium, 8.00pmPerpignan v Cardiff Blues, tbc, 8.30pm (Sport+/Sky Sports*)
Saturday, October 29:
Sunday, October 30:Pool 3: ASM Clermont Auvergne v Ospreys, tbc, 4.00pm (S4C**)Pool 5: Glasgow Warriors v Leinster, Hughenden, 1.00pm (Sky Sports)Pool 6: London Wasps v Toulouse, Causeway Stadium, 3.00pm (Sky Sports/Sport+)
ROUND THREE:Friday, December 9:Pool 1: Castres Olympique v Sale Sharks, Stade Pierre-Antoine, 8.30pm (Sport+/Sky Sports*)Pool 4: Ulster v Saracens, Ravenhill, 7.30pm (Sky Sports)
Saturday, December 10:Pool 1: Newport Gwent Dragons v Munster, Rodney Parade, 1.00pm (Sky Sports)Pool 2: Rugby Calvisano v Cardiff Blues, tbc, 2.00pm (Sky Italia)Pool 3: ASM Clermont Auvergne v Stade Frangais, tbc, 4.00pm (FR2/Sky Sports)Pool 5: Leinster v Bourgoin, Lansdowne Road, 5.15pm (RTE/Sport+/Sky Sports)Pool 6: Edinburgh Gunners v Toulouse, Murrayfield, 4.00pm
Sunday, December 11::Pool 2: Leeds Tykes v Perpignan, Headingley Stadium, 2.30pm Pool 3: Leicester Tigers v Ospreys, Welford Road, 3.00pm (Sky Sports)Pool 4: Biarritz Olympique v Benetton Treviso, tbc, 4.00pm (Sport+)Pool 5: Bath Rugby v Glasgow Warriors, The Recreation Ground, 2.15pmPool 6: Llanelli Scarlets v London Wasps, tbc, 1.00pm (Sky Sports)
* = Delayed** = Highlights