Based on your love for Brooklyn Nine-Nine and your current mood, here are some lighthearted TV shows with interesting plotlines and good humor that you might enjoy:
1. **Parks and Recreation**
- Years: 2009-2015
- Creator: Greg Daniels, Michael Schur
- Main cast: Amy Poehler, Nick Offerman, Chris Pratt
- Synopsis: A mockumentary following the Parks Department of Pawnee, Indiana, led by the enthusiastic Leslie Knope. It's filled with quirky characters and heartwarming moments.
- Genre: Comedy
- IMDb rating: 8.6
- Where to watch: Peacock, Amazon Prime
2. **The Good Place**
- Years: 2016-2020
- Creator: Michael Schur
- Main cast: Kristen Bell, Ted Danson, William Jackson Harper
- Synopsis: Eleanor Shellstrop finds herself in the afterlife, but there's been a mistake. She must hide her past and try to become a better person.
- Genre: Comedy, Fantasy
- IMDb rating: 8.2
- Where to watch: Netflix
3. **New Girl**
- Years: 2011-2018
- Creator: Elizabeth Meriwether
- Main cast: Zooey Deschanel, Jake Johnson, Max Greenfield
- Synopsis: Quirky teacher Jess moves in with three single guys, leading to hilarious situations and strong friendships.
- Genre: Comedy, Romance
- IMDb rating: 7.7
- Where to watch: Netflix
These shows all feature ensemble casts, witty humor, and heartwarming moments that should help lift your mood. Let me know if you'd like more suggestions or have any questions about these recommendations!