"Bert, oh Bert" is a Sesamstrasse music video featuring Ernie, Bert and Lena Meyer-Landrut that first aired on German channels ADR, NDR and KI.KIA on April 8, 2011. Since the premiere it has been shown various times each day, most notably before or after various Sesamstrasse episodes on ARD. The video was used as a regular segment in Sesamstrasse episode 2586, later airing as part of the mini-series "Ernie & Bert Songs". Ernie had previously worried about Bert being captured by aliens in an early Sesame Street sketch. File:Bert, oh Bert! - Lena Meyer-Landrut singt in der Sesamstraße - NDR - ARD