That the show is a spin-off is revealed in the last episode
Part of the "TV Stars" segment
Julia Duffy is mentioned on being on this show
Joel: "This is my brother Xenon and my other brother, Xenon."
"My brother and my other brother."
Plucky waits on Larry, Darryl, and Darryl's table.
Joel: "Nice country inn. Maybe we'll see Bob Newhart."
the final episode of "Newhart" is discussed
"It's Larry, Darryl, and Darryl"
Meldrick refers to Drew and Greg Kellerman as Mikey's brother Darryl and his other brother Darryl.
Lots of cameos by actors from this series.
Mentioned during Weekend update
Title referenced on Weekend Update
referenced in clue in "What a (TV) Character!" category
Mentioned in TV announcer montage
Meatwad talks about staying in Newhart's inn in Vermont
The post-credit "sting" in the eighth and final episode is a send-off of the similar scene that was the final scene of the series "Newhart"
Included in the $1,000,000 Tournament of Ten question
"It's like they replaced Larry, Darryl, and Darryl from Newhart..."
Bender introduces his two clones the same way Larry introduces his brothers Darryl and Darryl.
Andy asks whether there are any "Newhart" fans in the room, after making a joke about "my other brother Darryl"
"His first victim is Michael from Newhart."
Snob mentions it. Also, theme of "Newhart" is played.
Danny and Diana go to the Neuheart Inn, a reference to the sitcom Newhart, in which Bob Newhart played and innkeeper in Vermont.
Shawn introduces Gus as "my brother Darryl and my other brother Darryl."
mentioned in discussion of series finale episodes
clips from this show are in this special
a clip is featured
When Ziva spots Tibbens, DiNozzo spoofs Larry's introduction of the Daryl brothers.