Tonton Streaming Family Affair (1966) S1E28 - What Did You Do in the West, Uncle?

Bill takes the twins to the rodeo where he meets his old friend Gabe, whom he invites to stay with them. The twins are mesmerized at the thought of meeting a real live cowboy, and Gabe takes them under his wing. Of course, Bill thinks that they like Gabe more than they like him. But the twins tell him that Bill will always come first in their lives.