Conversation so far:
How does Season 1 start off?
In the pilot episode, Chuck attempts to rape both Serena and Jenny Humphrey.
Who are Serena and Jenny Humphrey?
his step-sister at the time, Serena.

Question: Did he succeed after attempting to rape them?
Self-contained rewrite: Did Chuck Bass succeed after attempting to rape Serena and Jenny Humphrey in Season 1?