Ep. 21: Nagi's Backyard Amusement Park and Robot Eight's Revenge Attempt
Aired on August 19, 2007
Nagi invites Hayate to visit Nagi Nagi Land, a gift from Mikado. Nagi cannot ride most attractions due to the 140 centimeter height restriction. While Hayate explores the haunted house, Robot Eight, defeated in episode 3, appears seeking revenge. His plan fails, so he flees, upgrades his systems, and breaks into Nagi's mansion for another attempt. Hayate and Tama ultimately defeat Eight. Shiori Makimura from the M.H.E. Corporation arrives to repair him. Eight begins a new life living with Shiori. This summary covers the events described in the source material without adding external information or spoilers beyond the provided text.
Episodes
- Ep. 17 · Nagi seeks life experience and culinary skills to improve her manga submission after rejection.
- Ep. 18 · The students travel to a remote island for beach class while Hayate suffers from airsickness on the private jet.
- Ep. 19 · Wataru seeks help for Saki's coming-of-age ceremony while others fight a cursed cockroach.
- Ep. 20 · Hayate and Nagi compete in a singing duel at a karaoke box for Hayate's affection.
- Ep. 21 · Nagi's Backyard Amusement Park and Robot Eight's Revenge Attempt
- Ep. 22 · Nagi and Hayate's Fishing Trip Ends in Chaos and Fireworks
- Ep. 23 · Shiori Takes Over Yukiji's Class While Hayate Stops a Blackmail Attempt
- Ep. 24 · Hayate deals with a cursed pendant while returning a DVD and resolving a stolen stole incident.
- Ep. 25 · Hayate Saves Nagi from Gilbert's Mecha in Underground Battle