Adventure Time

Adventure Time

Streaming

Watch Adventure Time Season 5, Episode 23

Blade of Grass/Rattleballs

21 mins
Finn and Jake decide it’s time for Finn to get a new sword. Finn reluctantly buys a grass sword from a mysterious old man but the sword turns out to be cursed! And unfortunately for our hero all sales are final./Finn practices his sword fighting skills at the candy junkyard where he meets an old gumball robot named Rattleballs. To Finn’s shock he finds out he’s NOT the master swordsman he thinks he is. What the what?! Finn begs Rattleballs to train him but he soon discovers his mentor’s deep dark secret... a secret that will ultimately test Finn’s loyalty to Princess Bubblegum.
U CertificationCertified as Universal - suitable for audiences aged four years and over.|Cartoons, Children|10 Seasons|170 Episodes
Choose your membership

*Ad-free excludes live channels and trailers promoting NOW content. Boost features available on selected content and devices only. See here for more details. This content may also be available on another membership. Please check before purchasing.

Choose your membership

*Ad-free excludes live channels and trailers promoting NOW content. Boost features available on selected content and devices only. See here for more details. This content may also be available on another membership. Please check before purchasing.

Entertainment Membership
  • Award-winning and exclusive shows
  • HBO box sets and brand new Sky Originals
  • Enjoy on over 60 devices
Big night in? Boost it with Full HD and ad-free* streaming on up to 3 devices at once.
Big night in? Boost it with Full HD and ad-free* streaming on up to 3 devices at once.
Choose your membership

*Ad-free excludes live channels and trailers promoting NOW content. Boost features available on selected content and devices only. See here for more details. This content may also be available on another membership. Please check before purchasing.

Choose your membership

*Ad-free excludes live channels and trailers promoting NOW content. Boost features available on selected content and devices only. See here for more details. This content may also be available on another membership. Please check before purchasing.

Join the home of brilliant entertainment

  • Cinema

    £9.99 a month

    Blockbusters and Sky Original films

    Choose your membership

    *Ad-free excludes live channels and trailers promoting NOW content. Boost features available on selected content and devices only. See here for more details.

    Find out more

  • Hayu Membership

    £4.99 a month

    Reality TV fresh from the US.

    Start 7 day free trial

    Free trial available to new Hayu members. Membership auto-renews at £4.99 a month after 7 day free trial, unless cancelled. This content may also be available on another membership. Please check before purchasing.

    Find out more

  • Sports Membership

    £34.99 a month

    The biggest live events on all 12 Sky Sports channels .

    Memberships from £11.99

    Sports Month Membership auto-renews at £34.99 a month, unless cancelled. Cancel anytime.

    Find out more