In the one-hour long instalment, the pair were seen discussing their robbery plans in Billy Mitchell’s (played by Perry Fenwick) unreal parlour.
But things soon took a naughty turn as Ciara (Denise McCormack) dropped a saucy innuendo which left viewers searching for the nearest sick bucket.
As the two got close a coquettish Ciara teased: “I guess he’s not the only stiff in the room, huh?”
Viewers immediately rushed to Twitter to comment on the remark with one shocked it was aired before the watershed.
One person wrote online: “Not the only stiff in the room ew!!! #EastEnders.”
Another felt queasy and commented: “I guess he’s not the only stiff in the room” well that’s just put me off my dinner. #eastenders.”
“He’s not the only stiff in the room!!!! #beforethewatershed #EastEnders,” said another social media user.
One fan added: “Not the only stiff in the room?? A bit raunchy for 7:45pm, no? #EastEnders.”
Also in the episode, fans were able to breathe a sigh of relief as Mick Carter (Danny Dyer) survived being shot in the arm.
Viewers also discovered the identity of the mysterious shooter, Mick’s son Lee’s friend Callum ‘Halfway’ Highway (Tony Clay).
EastEnders continues at 8pm tonight on BBC One.