By Chancellor Agard
September 08, 2017 at 12:30 PM EDT
Sonja Flemming/CBS; Lucas Rossi

Team Scorpion is getting a new — and problem — neighbor in season 4.

Tina Majorino has been cast in a major recurring guest star role on the CBS drama’s forthcoming season, EW has learned.

The Grey’s Anatomy alum will play Florence, a chemist who moves in next door to the team. She doesn’t initially ingratiate herself to the team, but once she is accepted, that causes more problems.

When we last checked in with Walter (Elyes Gabel) and the gang, they had just escaped being stranded on a deserted island for three weeks. And the first order of business upon returning to civilization was for Walter and Paige (Katharine McPhee), who finally went there in the season’s antepenultimate episode, to finally consummate their new relationship.  “Buckle up, nerd,” said Paige, wearing only a white button-up shirt, to Walter in the final scene of the season. So, fans can look forward to the season 4 being the season of Waige, finally.

In addition to recurring on Grey’s in seasons 9 and 10, Majorino also appeared on Veronica MarsTrue Blood, Bones, and, of course, starred in 2004 comedy Napoleon Dynamite.

Scorpion returns Monday, Sept. 25 at 10 p.m. ET on CBS.