Billy Dilley's Super-Duper Subterranean Summer poster

Billy Dilley's Super-Duper Subterranean Summer (2017)

Adventure · Animation · Comedy

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

IMDb rating: 3.4 (627 votes)
Episode average: 4.3 +0.9 vs IMDb
Seasons: 1
Streaming (US): Disney+
Language: EN
Type: TV series

Rating trend: this show's seasons do not settle into one shape. Rising Shows ranks whole shows by the shape of their rating trend rather than one average score, which is how you find a show that got better rather than a show that started well.

Browse shows by rating shape → Open in Rising Shows app → View on IMDb

Ratings refreshed Oct 3, 2026 · 1 season indexed

Cast

Seasons

Season 1 (2017)

4.33 avg 13 episodes 4.6 → 4.4 22 min avg

Rollercoaster

Season 1 episodes - IMDb ratings
#	Title	Rating	Votes
1	Lab Friends... Forever?/Surviving Billy	4.6	26
2	Calzones/Crab Hands	5.4	27
3	The Date/The Troggies Next Door	4.1	20
4	The Mushroom Prince/Count Wretcher	4.2	22
5	Hey Judy/Welcome to the Hag House	3.8	20
6	Beastie Billy/Zartan	5.1	21
7	K Is for Klutz/Tommy X	4.1	19
8	Billy Willie/The Telltale Wart	4.0	18
9	Ol' MacBilly/Silly Spheres	4.0	19
10	Wretcherous Treachery/Jared	4.3	20
11	Sluggy/Double Bubble	4.1	18
12	The Glorp of the Gorks/Rat's Entertainment	4.2	18
13	The Battle for Subterranea-Tania Parts 1 & 2	4.4	22