Conversation so far:
what are memorable moments from rowan & martin's laugh-in?
During the September 16, 1968, episode, Richard Nixon, running for president.
what happened after that?
for a few seconds with a disbelieving vocal inflection, asking "Sock it to me?.
how was this episode received?
not doused or assaulted.
An invitation was extended to Nixon's opponent.
did he accept?
Hubert Humphrey, but he declined.
what followed this incident?
"Humphrey later said that not doing it may have cost him the election".

Question: what other memorable moments in this section?
Self-contained rewrite: Besides the nixon episode, what other memorable moments are on Rowan & Martin's Laugh-In?