[s2e11] Halloweird «Verified ✓»

You can find the episode on digital platforms like the Apple TV store . My Babysitter's a Vampire: Season 2 Episode 11: Halloweird

The plot revolves around Ethan’s "nerd-fest" Halloween party, which turns dangerous when a magical mask worn by Rory transforms all the guests into real-life versions of their costumes. [S2E11] Halloweird

While listed as S2E11, some broadcast schedules and home media releases place it differently; for instance, the Fringe subreddit notes a different "S2E11" for that series entirely. You can find the episode on digital platforms