ASM Clermont Auvergne will get the defence their Top 14 title underway this weekend live on Sky Sports Arena.
Last year's semi-finalists Leinster will kick off Sky Sports' coverage of the Champions Cup on Saturday October 14.
Champions Cup holders Saracens will face Clermont Auvergne, Ospreys and Northampton Saints in next season's pool stages.
Toulon secure a come from behind 18-15 win over 14-man La Rochelle to reach the French Top 14 final.
Nemani Nadolo had a last-minute try ruled out by the TMO to deny Montpellier a stunning comeback win at La Rochelle.
La Rochelle's Fijian lock Jone Qovu has been cited for allegedly striking Gloucester hooker Richard Hibbard.
Stuart Barnes on the Lions squad, the European semi-finals, and the plight of fly-halves and their drop goals.
Billy Burns starred as Gloucester progressed to the Challenge Cup final courtesy of a 16-14 win over La Rochelle.
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