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Bizarrely, they both start taking their clothes off and dropping them from the third floor landing to the ground floor lobby before their elevator ride which is interrupted by a neighbour, played by June Diane Raphael.
Enjoying the dare: Silverman posted the entire 23 and a half minute pilot online The elevator ride then continues with some crude comments directed at Wittel's character before Raphael tells Silverman: 'Your breasts have held up nicely.
In breaks from the action, the comic is seen rather bizarrely analysing herself from video footage in front of a focus group And at the end of the pilot, Jeff Goldblum makes an appearance as Susan's ex boyfriend before the twosome strangely engage in a duet at the piano.
The pilot is described by as a 'hilarious, poignant look at life today as seen through the prism of an adult brother Carl Grace and sister Melanie Silverman living in New Jersey.
The 42-year-old comic actress went topless on the show in a scene which saw her strip off for a daring elevator ride.