The Patty Duke Show
Poppo's Birthday
TV Flash files “Poppo's Birthday” as hour 90 of 104 in the TV Flash guide — The Patty Duke Show (1963–1966) on ABC, season 3, episode 18, aired 1966-01-12, 30 min.
From the desk
How this hour is filed
This leaf is S03E18: listed hour 90 of 104 in the The Patty Duke Show guide, hour 18 of 32 in season 3. It aired 1966-01-12 (30 min). The listed hour before it is “Ross Runs Away -- But Not Far” (S03E17). Next is “Anywhere I Hang My Horn Is Home” (S03E19).

Viewer FAQ
Where does Poppo's Birthday sit in the The Patty Duke Show guide?
S03E18 is listed hour 90 of 104 — hour 18 of 32 in season 3, season 3 episode 18.
When did The Patty Duke Show S03E18 air?
Poppo's Birthday aired 1966-01-12 and is listed at 30 minutes.
Where should I start?
Any hour that puts both cousins in the frame — Brooklyn Patty versus Cathy's poise — is the dual-role contract. Split-screen is the flex.
In the series
Why this series still plays
The Patty Duke Show is a dual-role flex: one teenage star playing identical cousins — Brooklyn bounce versus Edinburgh poise — in the same frame. Split-screen sitcom tech and Duke's post-Miracle Worker fame made it a pop event. A kid performer at peak power, plus William Schallert's dad energy, in a high-concept that is two performances for one salary.
The flash is one teenage star in two silhouettes at once. The Patty Duke Show is a dual-role flex: identical cousins — Brooklyn bounce versus Edinburgh poise — in the same frame. ABC, 1963–1966 (three seasons, 104 episodes), Sidney Sheldon and William Asher among the developers. Split-screen sitcom tech and Duke's post-Miracle Worker fame made it a pop event. William Schallert's dad energy and Jean Byron's Natalie Lane hold the house. **This was not a soft launch; this was a hard launch in two faces.** Two…
Filed against
- Patty Duke as Patty Lane / Cathy Lane
Patty Duke played Patty Lane and Cathy Lane on The Patty Duke Show, a 1960s dual-role flex: identical cousins — Brooklyn bounce versus Edinburgh poise — in the same frame. Split-screen sitcom tech and post-Miracle Worker fame made it a…
- William Schallert as Martin Lane
William Schallert’s Martin Lane fathered The Patty Duke Show’s dual-role flex — identical cousins, Brooklyn bounce versus Edinburgh poise, split-screen sitcom tech, Duke’s post-Miracle Worker fame as a pop event. A kid performer at peak…
- Jean Byron as Natalie Lane
Jean Byron’s Natalie Lane mothered The Patty Duke Show’s dual-role flex — identical cousins, Brooklyn bounce versus Edinburgh poise, split-screen sitcom tech, a kid performer at peak power. 1960s pop event in a living room. TV Flash files…