There are surely other Easter episodes I've never seen, and probably some I just don't remember. This will just be things I'm fairly sure I've seen. Oh, and while the holiday may play a particularly prominent role in many of the episodes listed here, sometimes it's only a very minor aspect of the episode's plot.

Black-ish
Season 4: North Star (Amazon; Hulu; IMDb; TV.com)

Bless the Harts
Season 2: Easter's 11 (Amazon; Hulu; IMDb; Wikia)

Bob's Burgers
Season 7: Eggs for Days (Amazon; A.V. Club; Hulu; IMDb; TV.com; TV Tropes; Wikia)

Brooklyn Nine-Nine
Season 7: Valloweaster (Amazon; A.V. Club; IMDb; TV Tropes; Wikia) This is also a Halloween and Valentine's Day episode.

The Life and Times of Juniper Lee
Season 2: June's EGGcellent Adventure: Juniper Lee Meets the Easter Bunny (IMDb; TV.com; Wikia)

Modern Family
Season 11: I'm Going to Miss This (Amazon; A.V. Club; IMDb; Wikia)

South Park
Season 11: Fantastic Easter Special (Amazon; Hulu; IMDb; Other Holiday Specials Wiki; TV.com; Wikia; Wikipedia)