Billy Dilley’s Super-Duper Subterranean Summer poster
Where to stream

Billy Dilley’s Super-Duper Subterranean Summer

3.820171 seasonTV SeriesAnimationComedyKids

The adventures of science-obsessed Billy Dilley and his lab partners Zeke and Marsha

Where to watch

Disney PlusDisney Plus
Availability shown for United States · rights vary by country

Seasons & Episodes

E1
Lab Friends... Forever?
Jun 3, 2017 2.0
E2
Surviving Billy
Jun 3, 2017 2.0
E3
Calzones
Jun 4, 2017 5.0
E4
Crab Hands
Jun 4, 2017
E5
The Date
Jun 5, 2017
E6
The Troggies Next Door
Jun 5, 2017
E7
The Mushroom Prince
Jun 6, 2017
E8
Count Wretcher
Jun 6, 2017
E9
Hey Judy
Jun 7, 2017
E10
Welcome to the Hag House
Jun 7, 2017
E11
Beastie Billy
Jun 8, 2017
E12
Zartran
Jun 8, 2017
E13
"K" is for Klutz
Jun 9, 2017
E14
Tommy X
Jun 9, 2017
E15
Billy/Willie
Jun 10, 2017
E16
The Telltale Wart
Jun 10, 2017
E17
Ol' MacBilly
Jun 11, 2017
E18
Silly Spheres
Jun 11, 2017
E19
Wretcherous Treachery
Jun 12, 2017
E20
Jared
Jun 12, 2017
E21
Sluggy
Jun 13, 2017
E22
Double Bubble
Jun 13, 2017
E23
The Glorp of the Gorks
Jun 14, 2017
E24
Rat's Entertainment!
Jun 14, 2017
E25
The Battle for Subterranea-Tania
Jun 15, 2017

Cast

CWCatherine Ann Wayne
Catherine Ann Wayne
Marsha
AS
Aaron Springer
Billy Dilley
TKTom Kenny
Tom Kenny
Zeke
SRSarah-Nicole Robles
Sarah-Nicole Robles
Judy
JTJames Arnold Taylor
James Arnold Taylor
Count Raymond
KKKerri Kenney
Kerri Kenney
Mrs. Wretcher

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Billy Dilley’s Super-Duper Subterranean Summer — streaming FAQ

Which OTT platform streams Billy Dilley’s Super-Duper Subterranean Summer?

Billy Dilley’s Super-Duper Subterranean Summer is streaming on Disney Plus in United States, and available to rent or buy on Amazon Video and Apple TV Store. It's not currently on Netflix.

Is Billy Dilley’s Super-Duper Subterranean Summer on Netflix?

No, Billy Dilley’s Super-Duper Subterranean Summer is not on Netflix in United States as of September 2026. It's currently on Disney Plus.

Is Billy Dilley’s Super-Duper Subterranean Summer on Amazon Prime Video?

Billy Dilley’s Super-Duper Subterranean Summer isn't included with a Prime Video subscription in United States, but you can rent or buy it on Amazon Video.

Where can I watch Billy Dilley’s Super-Duper Subterranean Summer for free?

Billy Dilley’s Super-Duper Subterranean Summer is available on Disney Plus in United States, but you'll need an active subscription — there's no free option right now.

How many seasons are in Billy Dilley’s Super-Duper Subterranean Summer?

Billy Dilley’s Super-Duper Subterranean Summer has 1 season in total (25 episodes). The series concluded in 2017.

Are all episodes of Billy Dilley’s Super-Duper Subterranean Summer out yet?

Yes — all 25 episodes across 1 season of Billy Dilley’s Super-Duper Subterranean Summer are out and available to stream.

Is there a Season 2 of Billy Dilley’s Super-Duper Subterranean Summer?

No — Billy Dilley’s Super-Duper Subterranean Summer ended after 1 season, so there is no Season 2.