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Regular Show: The Lost Tapes Season 1 Episode 15 “Party Horse 4: Third Time's a Charm”

Released on Cartoon Network.

Released

Saturday, October 17, 2026

22 days ago

About this episode

The guys call an old friend to get the party started.

Regular Show: The Lost Tapes Season 1 Episode 15 still
Season
1 (23 episodes)
Runtime
12 min
Network
Cartoon Network
Written by
Maddie Brewer, Ryan Pequin and Matt Price

Guest stars

  • J.G. Quintel

    J.G. Quintel

    Bus Passenger Horse / Bus Driver (voice)

  • Adam Pally

    Adam Pally

    Party Horse (voice)

  • Matt Price

    Matt Price

    Quips / Acecheug / Party Horse Scientist 1 (voice)

  • Chelsea Kane

    Chelsea Kane

    Chrissy / Automated Voice (voice)

  • Courtenay Taylor

    Courtenay Taylor

    Butte Whipe / Monica (voice)

  • Eric Bauza

    Eric Bauza

    Principal Party Horse / Vice Principal Party Horse / Party Horse Scientist 2 (voice)

Questions about this episode

When does Regular Show: The Lost Tapes Season 1 Episode 15 come out?

Regular Show: The Lost Tapes Season 1 Episode 15 was released Saturday, October 17, 2026 on Cartoon Network.

What time does Regular Show: The Lost Tapes Season 1 Episode 15 come out?

Release times vary by platform and region, so Streambay doesn't list an exact time. The easiest way to know is to follow Regular Show: The Lost Tapes in the Streambay app, which notifies you the moment the episode is available.

When does the next episode of Regular Show: The Lost Tapes come out?

Regular Show: The Lost Tapes S1 E16 doesn't have a release date yet.

How long is Regular Show: The Lost Tapes Season 1 Episode 15?

Regular Show: The Lost Tapes Season 1 Episode 15 runs about 12 minutes.

Last updated

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