Conversation so far:
When did season 4 of Rowan & Martin's Laugh-In come out?
1970–1971.
Who were the cast of Rowan & Martin's Laugh-In season 4?
The 1970–71 season brought new additions to the cast including Dennis Allen, comic actress Ann Elder, who also contributed to scripts, tap dancer Barbara Sharma, and Johnny Brown.

Question: what happened in season 5
Self-contained rewrite: what happened in season 5 of Rowan & Martin's Laugh-In?